Fix git url

PR-URL: #52

Author: tshemsedinov

package.json

@@ -11,7 +11,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/metarhia/metawatch"
+    "url": "git+https://github.com/metarhia/metawatch.git"
   },
   "bugs": {
     "url": "https://github.com/metarhia/metawatch/issues",