Introduce more tools for use by plugins

package.json

@@ -49,7 +49,7 @@
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",
     "mkdirp-promise": "^5.0.1",
-    "moment": "^2.20.1",
+    "moment": "^2.22.2",
     "ncp": "^2.0.0",
     "nedb": "^1.8.0",
     "needle": "^2.2.1",