Update moment

package-lock.json

@@ -3873,9 +3873,9 @@
       }
     },
     "moment": {
-      "version": "2.18.1",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.18.1.tgz",
-      "integrity": "sha1-w2GT3Tzhwu7SrbfIAtu8d6gbHA8=",
+      "version": "2.19.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.19.4.tgz",
+      "integrity": "sha512-1xFTAknSLfc47DIxHDUbnJWC+UwgWxATmymaxIPQpmMh7LBm7ZbwVEsuushqwL2GYZU0jie4xO+TK44hJPjNSQ==",
       "dev": true
     },
     "ms": {

package.json

@@ -55,7 +55,7 @@
     "jshint": "^2.9.4",
     "lodash": "4.17.4",
     "lodash-template-loader": "^2.0.0",
-    "moment": "~2.18.1",
+    "moment": "~> 2.19.3 ",
     "otr": "jcbrand/otr",
     "pluggable.js": "2.0.0",
     "po2json": "^0.4.4",