Merge branch '3.8' into fix-latest-merge

Conflicts:
	README.md
	composer.json
	composer.lock
	config/configuration.sample.yml
	lib/Alchemy/Phrasea/Application/Api.php
	lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php
	lib/Alchemy/Phrasea/Controller/Api/Oauth2.php
	lib/Alchemy/Phrasea/Controller/Prod/Basket.php
	lib/Alchemy/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriber.php
	lib/Alchemy/Phrasea/Core/Provider/RegistrationServiceProvider.php
	lib/Alchemy/Phrasea/Core/Version.php
	lib/classes/API/V1/adapter.php
	lib/classes/API/V1/result.php
	lib/classes/module/console/schedulerStart.php
	lib/classes/module/console/schedulerState.php
	lib/classes/module/console/schedulerStop.php
	lib/classes/module/console/taskrun.php
	lib/classes/set/export.php
	lib/conf.d/_GV_template.inc
	lib/conf.d/configuration.yml
	templates/web/admin/setup.html.twig
	templates/web/admin/tasks/list.html.twig
	templates/web/api/auth/end_user_authorization.html.twig
	templates/web/prod/actions/Feedback/list.html.twig
	templates/web/prod/actions/publish/publish.html.twig
	templates/web/prod/upload/upload.html.twig
	tests/classes/api/v1/api_v1_adapterTest.php
	tests/classes/api/v1/api_v1_resultTest.php

composer.json

@@ -80,7 +80,8 @@
         "twig/extensions"                  : "~1.0",
         "vierbergenlars/php-semver"        : "~2.1",
         "zend/gdata"                       : "~1.12.1",
-        "doctrine/migrations"              : "1.0.x-dev@dev"
+        "doctrine/migrations"              : "1.0.x-dev@dev",
+        willdurand/negotiation"            : "~1.3"
     },
     "require-dev": {
         "phpunit/phpunit"                  : "~3.7",