Some dep updates (OpenUserJS#1547)

* Please read their CHANGELOGs
* Delete op retested

Auto-merge

Author: Martii

package.json

@@ -7,7 +7,7 @@
     "ace-builds": "git://github.com/ajaxorg/ace-builds#0d62c26",
     "ansi-colors": "3.2.3",
     "async": "2.6.1",
-    "aws-sdk": "2.376.0",
+    "aws-sdk": "2.377.0",
     "base62": "2.0.0",
     "body-parser": "1.18.3",
     "bootstrap": "3.3.7",
@@ -40,7 +40,7 @@
     "moment": "2.23.0",
     "moment-duration-format": "2.2.2",
     "mongodb": "3.1.10",
-    "mongoose": "5.3.16",
+    "mongoose": "5.4.0",
     "morgan": "1.9.1",
     "mu2": "0.5.21",
     "octicons": "4.4.0",