Updated moment.js to a newer version.

package-lock.json

@@ -1090,7 +1090,7 @@
       "integrity": "sha1-C5tiseaX1S05wRGK+eTkEeUEVZA=",
       "requires": {
         "jquery": "3.2.1",
-        "moment": "2.19.1"
+        "moment": "2.21.0"
       },
       "dependencies": {
         "jquery": {
@@ -2177,9 +2177,9 @@
       }
     },
     "moment": {
-      "version": "2.19.1",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.19.1.tgz",
-      "integrity": "sha1-VtoaLRy/AdOLfhr8McELz6GSkWc="
+      "version": "2.21.0",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.21.0.tgz",
+      "integrity": "sha512-TCZ36BjURTeFTM/CwRcViQlfkMvL1/vFISuNLO5GkcVm1+QHfbSiNqZuWeMFjj1/3+uAjXswgRk30j1kkLYJBQ=="
     },
     "ms": {
       "version": "2.0.0",

package.json

@@ -36,6 +36,7 @@
     "fullcalendar": "^3.6.1",
     "jquery": "^3.0.0",
     "jquery-ui": "^1.12.0",
+    "moment": "^2.21.0",
     "qtip2": "^3.0.3",
     "sticky-table-headers": "^0.1.19"
   }