added notifications and package for multi config files

config/services.js

@@ -44,4 +44,8 @@ module.exports =
 	name: "contacts",
 	repo: "https://github.com/sharelatex/contacts-sharelatex.git",
 	version: "master"
+}, {
+	name: "notifications",
+	repo: "https://github.com/sharelatex/notifications-sharelatex.git",
+	version: "master"
 }]

package.json

@@ -7,6 +7,7 @@
     "east": "0.5.1",
     "east-mongo": "^0.1.2",
     "grunt-shell": "^1.1.1",
+    "load-grunt-config": "^0.19.2",
     "lodash": "^3.0.0",
     "mongojs": "^0.18.1",
     "rimraf": "~2.2.6",