diff --git a/composer.json b/composer.json
index 47635b0e47..7497b86823 100644
--- a/composer.json
+++ b/composer.json
@@ -84,7 +84,7 @@
     "league/flysystem": "^1.0",
     "league/flysystem-aws-s3-v2": "^1.0",
     "league/fractal": "dev-webgalleries#af1acc0275438571bc8c1d08a05a4b5af92c9f97 as 0.13.0",
-    "media-alchemyst/media-alchemyst": "^0.5",
+    "media-alchemyst/media-alchemyst": "^0.5.5",
     "monolog/monolog": "~1.3",
     "mrclay/minify": "~2.1.6",
     "neutron/process-manager": "2.0.x-dev@dev",
diff --git a/composer.lock b/composer.lock
index 482cce9daf..7c347581f1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "e5bed7b0b8cb8b45ffffc4965a7689db",
-    "content-hash": "f3b1fc0a30bf14b05e57ce673550d9c0",
+    "content-hash": "d0c8742d02e8d51c702c26ecb5502b30",
     "packages": [
         {
             "name": "alchemy-fr/tcpdf-clone",
@@ -71,7 +70,7 @@
                 "source": "https://github.com/alchemy-fr/tcpdf-clone/tree/6.0.039",
                 "issues": "https://github.com/alchemy-fr/tcpdf-clone/issues"
             },
-            "time": "2013-10-13 16:11:17"
+            "time": "2013-10-13T16:11:17+00:00"
         },
         {
             "name": "alchemy/binary-driver",
@@ -128,7 +127,7 @@
                 "binary",
                 "driver"
             ],
-            "time": "2016-03-02 13:49:15"
+            "time": "2016-03-02T13:49:15+00:00"
         },
         {
             "name": "alchemy/embed-bundle",
@@ -172,7 +171,7 @@
                 }
             ],
             "description": "Embed resources bundle",
-            "time": "2019-10-09 14:34:23"
+            "time": "2019-10-09T14:34:23+00:00"
         },
         {
             "name": "alchemy/geonames-api-consumer",
@@ -210,7 +209,7 @@
             "keywords": [
                 "geonames"
             ],
-            "time": "2014-02-05 15:29:39"
+            "time": "2014-02-05T15:29:39+00:00"
         },
         {
             "name": "alchemy/ghostscript",
@@ -262,7 +261,7 @@
                 "ghostscript",
                 "pdf"
             ],
-            "time": "2013-06-25 09:12:58"
+            "time": "2013-06-25T09:12:58+00:00"
         },
         {
             "name": "alchemy/mediavorus",
@@ -324,7 +323,7 @@
             "keywords": [
                 "metadata"
             ],
-            "time": "2019-01-22 11:23:34"
+            "time": "2019-01-22T11:23:34+00:00"
         },
         {
             "name": "alchemy/oauth2php",
@@ -347,7 +346,7 @@
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
-            "time": "2019-01-17 14:34:10"
+            "time": "2019-01-17T14:34:10+00:00"
         },
         {
             "name": "alchemy/phlickr",
@@ -370,7 +369,7 @@
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
-            "time": "2014-12-15 14:27:57"
+            "time": "2014-12-15T14:27:57+00:00"
         },
         {
             "name": "alchemy/phpexiftool",
@@ -443,7 +442,7 @@
                 "exiftool",
                 "metadata"
             ],
-            "time": "2019-02-13 13:06:43"
+            "time": "2019-02-13T13:06:43+00:00"
         },
         {
             "name": "alchemy/queue-bundle",
@@ -491,7 +490,7 @@
                 }
             ],
             "description": "Symfony bundle for alchemy/queue-component",
-            "time": "2016-10-04 14:19:39"
+            "time": "2016-10-04T14:19:39+00:00"
         },
         {
             "name": "alchemy/queue-component",
@@ -536,7 +535,7 @@
                 "MIT"
             ],
             "description": "Message queue component",
-            "time": "2016-10-05 10:41:36"
+            "time": "2016-10-05T10:41:36+00:00"
         },
         {
             "name": "alchemy/rest-bundle",
@@ -588,7 +587,7 @@
                 }
             ],
             "description": "Simple REST utility bundle",
-            "time": "2016-05-16 09:37:34"
+            "time": "2016-05-16T09:37:34+00:00"
         },
         {
             "name": "alchemy/symfony-cors",
@@ -635,7 +634,7 @@
                 }
             ],
             "description": "A library that adds CORS services to Silex/Symfony Applications",
-            "time": "2015-12-17 15:34:43"
+            "time": "2015-12-17T15:34:43+00:00"
         },
         {
             "name": "alchemy/task-manager",
@@ -698,7 +697,7 @@
                 "parallel",
                 "process"
             ],
-            "time": "2016-11-30 13:34:30"
+            "time": "2016-11-30T13:34:30+00:00"
         },
         {
             "name": "alchemy/worker-bundle",
@@ -747,7 +746,7 @@
                 }
             ],
             "description": "Symfony bundle for alchemy/worker-component",
-            "time": "2016-12-06 10:39:58"
+            "time": "2016-12-06T10:39:58+00:00"
         },
         {
             "name": "alchemy/worker-component",
@@ -793,7 +792,7 @@
                 "MIT"
             ],
             "description": "Message queue worker component",
-            "time": "2016-11-14 16:41:16"
+            "time": "2016-11-14T16:41:16+00:00"
         },
         {
             "name": "alchemy/zippy",
@@ -855,7 +854,7 @@
                 "tar",
                 "zip"
             ],
-            "time": "2016-02-15 22:46:40"
+            "time": "2016-02-15T22:46:40+00:00"
         },
         {
             "name": "aws/aws-sdk-php",
@@ -918,7 +917,7 @@
                 "s3",
                 "sdk"
             ],
-            "time": "2016-07-25 18:03:20"
+            "time": "2016-07-25T18:03:20+00:00"
         },
         {
             "name": "beberlei/assert",
@@ -973,7 +972,7 @@
                 "assertion",
                 "validation"
             ],
-            "time": "2017-01-24 15:14:39"
+            "time": "2017-01-24T15:14:39+00:00"
         },
         {
             "name": "behat/transliterator",
@@ -1013,7 +1012,7 @@
                 "slug",
                 "transliterator"
             ],
-            "time": "2015-09-28 16:26:35"
+            "time": "2015-09-28T16:26:35+00:00"
         },
         {
             "name": "box/spout",
@@ -1081,7 +1080,7 @@
                 "write",
                 "xlsx"
             ],
-            "time": "2017-09-25 19:44:35"
+            "time": "2017-09-25T19:44:35+00:00"
         },
         {
             "name": "cocur/slugify",
@@ -1145,7 +1144,7 @@
                 "slug",
                 "slugify"
             ],
-            "time": "2016-08-09 20:10:17"
+            "time": "2016-08-09T20:10:17+00:00"
         },
         {
             "name": "czproject/git-php",
@@ -1187,7 +1186,7 @@
             "keywords": [
                 "git"
             ],
-            "time": "2019-02-09 13:11:36"
+            "time": "2019-02-09T13:11:36+00:00"
         },
         {
             "name": "dailymotion/sdk",
@@ -1220,7 +1219,7 @@
                 "dailymotion",
                 "sdk"
             ],
-            "time": "2015-11-20 11:18:32"
+            "time": "2015-11-20T11:18:32+00:00"
         },
         {
             "name": "data-uri/data-uri",
@@ -1265,7 +1264,7 @@
                 "data-uri",
                 "uri"
             ],
-            "time": "2014-08-22 15:01:57"
+            "time": "2014-08-22T15:01:57+00:00"
         },
         {
             "name": "dflydev/doctrine-orm-service-provider",
@@ -1327,7 +1326,7 @@
                 "pimple",
                 "silex"
             ],
-            "time": "2015-09-07 12:16:54"
+            "time": "2015-09-07T12:16:54+00:00"
         },
         {
             "name": "doctrine/annotations",
@@ -1395,7 +1394,7 @@
                 "docblock",
                 "parser"
             ],
-            "time": "2015-08-31 12:32:49"
+            "time": "2015-08-31T12:32:49+00:00"
         },
         {
             "name": "doctrine/cache",
@@ -1407,7 +1406,7 @@
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/cache/zipball/eb152c5100571c7a45470ff2a35095ab3f3b900b",
+                "url": "https://api.github.com/repos/doctrine/cache/zipball/b6f544a20f4807e81f7044d31e679ccbb1866dc3",
                 "reference": "b6f544a20f4807e81f7044d31e679ccbb1866dc3",
                 "shasum": ""
             },
@@ -1465,7 +1464,7 @@
                 "cache",
                 "caching"
             ],
-            "time": "2016-10-29 11:16:17"
+            "time": "2016-10-29T11:16:17+00:00"
         },
         {
             "name": "doctrine/collections",
@@ -1531,7 +1530,7 @@
                 "collections",
                 "iterator"
             ],
-            "time": "2015-04-14 22:21:58"
+            "time": "2015-04-14T22:21:58+00:00"
         },
         {
             "name": "doctrine/common",
@@ -1604,7 +1603,7 @@
                 "persistence",
                 "spl"
             ],
-            "time": "2016-11-30 16:50:46"
+            "time": "2016-11-30T16:50:46+00:00"
         },
         {
             "name": "doctrine/dbal",
@@ -1675,7 +1674,7 @@
                 "persistence",
                 "queryobject"
             ],
-            "time": "2017-01-23 23:17:10"
+            "time": "2017-01-23T23:17:10+00:00"
         },
         {
             "name": "doctrine/inflector",
@@ -1742,7 +1741,7 @@
                 "singularize",
                 "string"
             ],
-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -1796,7 +1795,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "doctrine/lexer",
@@ -1850,7 +1849,7 @@
                 "lexer",
                 "parser"
             ],
-            "time": "2014-09-09 13:34:57"
+            "time": "2014-09-09T13:34:57+00:00"
         },
         {
             "name": "doctrine/migrations",
@@ -1924,7 +1923,7 @@
                 "database",
                 "migrations"
             ],
-            "time": "2016-12-25 22:54:00"
+            "time": "2016-12-25T22:54:00+00:00"
         },
         {
             "name": "doctrine/orm",
@@ -2000,7 +1999,7 @@
                 "database",
                 "orm"
             ],
-            "time": "2016-12-18 15:42:34"
+            "time": "2016-12-18T15:42:34+00:00"
         },
         {
             "name": "elasticsearch/elasticsearch",
@@ -2054,7 +2053,7 @@
                 "elasticsearch",
                 "search"
             ],
-            "time": "2016-11-30 17:15:05"
+            "time": "2016-11-30T17:15:05+00:00"
         },
         {
             "name": "evenement/evenement",
@@ -2094,7 +2093,7 @@
             "keywords": [
                 "event-dispatcher"
             ],
-            "time": "2012-05-30 15:01:08"
+            "time": "2012-05-30T15:01:08+00:00"
         },
         {
             "name": "facebook/graph-sdk",
@@ -2152,7 +2151,7 @@
                 "facebook",
                 "sdk"
             ],
-            "time": "2017-08-16 17:28:07"
+            "time": "2017-08-16T17:28:07+00:00"
         },
         {
             "name": "firebase/php-jwt",
@@ -2195,7 +2194,7 @@
             ],
             "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
             "homepage": "https://github.com/firebase/php-jwt",
-            "time": "2015-07-22 18:31:08"
+            "time": "2015-07-22T18:31:08+00:00"
         },
         {
             "name": "gedmo/doctrine-extensions",
@@ -2273,7 +2272,7 @@
                 "tree",
                 "uploadable"
             ],
-            "time": "2015-02-24 21:41:37"
+            "time": "2015-02-24T21:41:37+00:00"
         },
         {
             "name": "goodby/csv",
@@ -2330,7 +2329,7 @@
                 "export",
                 "import"
             ],
-            "time": "2015-06-29 10:28:19"
+            "time": "2015-06-29T10:28:19+00:00"
         },
         {
             "name": "google/apiclient",
@@ -2389,7 +2388,7 @@
             "keywords": [
                 "google"
             ],
-            "time": "2017-11-03 01:19:53"
+            "time": "2017-11-03T01:19:53+00:00"
         },
         {
             "name": "google/apiclient-services",
@@ -2426,7 +2425,7 @@
             "keywords": [
                 "google"
             ],
-            "time": "2017-11-25 00:23:12"
+            "time": "2017-11-25T00:23:12+00:00"
         },
         {
             "name": "google/auth",
@@ -2471,7 +2470,7 @@
                 "google",
                 "oauth2"
             ],
-            "time": "2017-10-10 17:01:45"
+            "time": "2017-10-10T17:01:45+00:00"
         },
         {
             "name": "google/recaptcha",
@@ -2516,7 +2515,7 @@
                 "recaptcha",
                 "spam"
             ],
-            "time": "2017-03-09 18:44:34"
+            "time": "2017-03-09T18:44:34+00:00"
         },
         {
             "name": "guzzle/guzzle",
@@ -2612,7 +2611,7 @@
                 "web service"
             ],
             "abandoned": "guzzlehttp/guzzle",
-            "time": "2015-03-18 18:23:50"
+            "time": "2015-03-18T18:23:50+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -2677,7 +2676,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2017-06-22 18:50:49"
+            "time": "2017-06-22T18:50:49+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -2728,7 +2727,7 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-12-20 10:07:11"
+            "time": "2016-12-20T10:07:11+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
@@ -2793,7 +2792,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2017-03-20 17:10:46"
+            "time": "2017-03-20T17:10:46+00:00"
         },
         {
             "name": "guzzlehttp/ringphp",
@@ -2844,7 +2843,7 @@
                 }
             ],
             "description": "Provides a simple API and specification that abstracts away the details of HTTP into a single PHP function.",
-            "time": "2015-05-20 03:37:09"
+            "time": "2015-05-20T03:37:09+00:00"
         },
         {
             "name": "guzzlehttp/streams",
@@ -2894,7 +2893,7 @@
                 "Guzzle",
                 "stream"
             ],
-            "time": "2014-10-12 19:18:40"
+            "time": "2014-10-12T19:18:40+00:00"
         },
         {
             "name": "hoa/compiler",
@@ -2974,7 +2973,7 @@
                 "trace",
                 "uniform"
             ],
-            "time": "2015-10-29 21:35:12"
+            "time": "2015-10-29T21:35:12+00:00"
         },
         {
             "name": "hoa/console",
@@ -3046,7 +3045,7 @@
                 "tput",
                 "window"
             ],
-            "time": "2015-07-27 07:52:10"
+            "time": "2015-07-27T07:52:10+00:00"
         },
         {
             "name": "hoa/core",
@@ -3114,7 +3113,7 @@
                 "protocol"
             ],
             "abandoned": "hoa/consistency",
-            "time": "2015-11-09 06:51:06"
+            "time": "2015-11-09T06:51:06+00:00"
         },
         {
             "name": "hoa/dispatcher",
@@ -3174,7 +3173,7 @@
                 "kit",
                 "library"
             ],
-            "time": "2015-11-09 06:52:08"
+            "time": "2015-11-09T06:52:08+00:00"
         },
         {
             "name": "hoa/file",
@@ -3234,7 +3233,7 @@
                 "link",
                 "temporary"
             ],
-            "time": "2015-11-09 06:55:20"
+            "time": "2015-11-09T06:55:20+00:00"
         },
         {
             "name": "hoa/iterator",
@@ -3287,7 +3286,7 @@
                 "iterator",
                 "library"
             ],
-            "time": "2015-10-29 21:37:16"
+            "time": "2015-10-29T21:37:16+00:00"
         },
         {
             "name": "hoa/math",
@@ -3349,7 +3348,7 @@
                 "sampler",
                 "set"
             ],
-            "time": "2015-10-26 15:22:52"
+            "time": "2015-10-26T15:22:52+00:00"
         },
         {
             "name": "hoa/regex",
@@ -3403,7 +3402,7 @@
                 "library",
                 "regex"
             ],
-            "time": "2015-08-13 06:48:47"
+            "time": "2015-08-13T06:48:47+00:00"
         },
         {
             "name": "hoa/router",
@@ -3455,7 +3454,7 @@
                 "library",
                 "router"
             ],
-            "time": "2015-10-21 14:12:51"
+            "time": "2015-10-21T14:12:51+00:00"
         },
         {
             "name": "hoa/stream",
@@ -3513,7 +3512,7 @@
                 "stream",
                 "wrapper"
             ],
-            "time": "2015-10-26 12:21:43"
+            "time": "2015-10-26T12:21:43+00:00"
         },
         {
             "name": "hoa/ustring",
@@ -3572,7 +3571,7 @@
                 "string",
                 "unicode"
             ],
-            "time": "2015-11-09 06:44:33"
+            "time": "2015-11-09T06:44:33+00:00"
         },
         {
             "name": "hoa/visitor",
@@ -3627,7 +3626,7 @@
                 "visit",
                 "visitor"
             ],
-            "time": "2015-08-17 06:30:58"
+            "time": "2015-08-17T06:30:58+00:00"
         },
         {
             "name": "igorw/get-in",
@@ -3672,7 +3671,7 @@
                 "assoc-array",
                 "hash-map"
             ],
-            "time": "2014-12-15 23:03:51"
+            "time": "2014-12-15T23:03:51+00:00"
         },
         {
             "name": "imagine/imagine",
@@ -3731,7 +3730,7 @@
             "support": {
                 "source": "https://github.com/alchemy-fr/Imagine/tree/alchemy-0.6.2"
             },
-            "time": "2015-01-13 18:12:26"
+            "time": "2015-01-13T18:12:26+00:00"
         },
         {
             "name": "ircmaxell/password-compat",
@@ -3773,7 +3772,7 @@
                 "hashing",
                 "password"
             ],
-            "time": "2014-11-20 16:49:30"
+            "time": "2014-11-20T16:49:30+00:00"
         },
         {
             "name": "ircmaxell/security-lib",
@@ -3819,7 +3818,7 @@
             ],
             "description": "A Base Security Library",
             "homepage": "https://github.com/ircmaxell/SecurityLib",
-            "time": "2015-03-20 14:31:23"
+            "time": "2015-03-20T14:31:23+00:00"
         },
         {
             "name": "jms/metadata",
@@ -3870,7 +3869,7 @@
                 "xml",
                 "yaml"
             ],
-            "time": "2016-12-05 10:18:33"
+            "time": "2016-12-05T10:18:33+00:00"
         },
         {
             "name": "jms/parser-lib",
@@ -3905,7 +3904,7 @@
                 "Apache2"
             ],
             "description": "A library for easily creating recursive-descent parsers.",
-            "time": "2012-11-18 18:08:43"
+            "time": "2012-11-18T18:08:43+00:00"
         },
         {
             "name": "jms/serializer",
@@ -3975,7 +3974,7 @@
                 "serialization",
                 "xml"
             ],
-            "time": "2014-03-18 08:39:00"
+            "time": "2014-03-18T08:39:00+00:00"
         },
         {
             "name": "jms/translation-bundle",
@@ -4051,7 +4050,7 @@
             "support": {
                 "source": "https://github.com/alchemy-fr/JMSTranslationBundle/tree/rebase-2015-10-20"
             },
-            "time": "2015-11-04 15:09:44"
+            "time": "2015-11-04T15:09:44+00:00"
         },
         {
             "name": "justinrainbow/json-schema",
@@ -4117,7 +4116,7 @@
                 "json",
                 "schema"
             ],
-            "time": "2016-05-10 20:38:51"
+            "time": "2016-05-10T20:38:51+00:00"
         },
         {
             "name": "league/flysystem",
@@ -4200,7 +4199,7 @@
                 "sftp",
                 "storage"
             ],
-            "time": "2017-01-30 17:41:17"
+            "time": "2017-01-30T17:41:17+00:00"
         },
         {
             "name": "league/flysystem-aws-s3-v2",
@@ -4247,7 +4246,7 @@
                 }
             ],
             "description": "Flysystem adapter for AWS S3 SDK v2",
-            "time": "2015-10-15 15:55:48"
+            "time": "2015-10-15T15:55:48+00:00"
         },
         {
             "name": "league/fractal",
@@ -4308,20 +4307,20 @@
                 "league",
                 "rest"
             ],
-            "time": "2016-12-02 14:55:48"
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-            "time": "2016-11-15 14:06:22"
+            "time": "2016-11-15T14:06:22+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -8343,7 +8342,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-01-26 16:15:36"
+            "time": "2017-01-26T16:15:36+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -8400,7 +8399,7 @@
                 "xunit"
             ],
             "abandoned": true,
-            "time": "2015-10-02 06:51:40"
+            "time": "2015-10-02T06:51:40+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -8464,7 +8463,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2017-01-29 09:50:25"
+            "time": "2017-01-29T09:50:25+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -8516,7 +8515,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -8566,7 +8565,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-08-18T05:49:44+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -8633,7 +8632,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-06-17T09:04:28+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -8684,7 +8683,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -8737,7 +8736,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2015-11-11T19:50:13+00:00"
         },
         {
             "name": "sebastian/version",
@@ -8772,7 +8771,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
         }
     ],
     "aliases": [