Added lunr test and updated package.json

Author: samdutton

package.json

@@ -29,8 +29,5 @@
     "grunt-eslint": "^20.0.0",
     "grunt-githooks": "^0.6.0",
     "grunt-htmlhint": "^0.9.13"
-  },
-  "dependencies": {
-    "npm-check": "^5.4.5"
   }
 }