upgraded a few dependencies

package.json

@@ -89,7 +89,7 @@
     "body-parser": "1.18.2",
     "bootstrap": "4.0.0-alpha.6",
     "cerialize": "0.1.16",
-    "compression": "1.7.0",
+    "compression": "1.7.1",
     "cookie-parser": "1.4.3",
     "core-js": "2.5.1",
     "express": "4.15.5",
@@ -100,7 +100,7 @@
     "js.clone": "0.0.3",
     "jsonschema": "1.2.0",
     "methods": "1.1.2",
-    "morgan": "1.8.2",
+    "morgan": "1.9.0",
     "ngx-pagination": "3.0.1",
     "pem": "1.11.2",
     "reflect-metadata": "0.1.10",