Fix grunt issues after moving package.json to root directory.

Change-Id: I8bf91c1b5fba7ec57ef4beeccd38ec1a82cc43a2
Reviewed-on: https://git-amr-3.devtools.intel.com/gerrit/156006
Reviewed-by: Qiu, Jianlin <jianlin.qiu@intel.com>
Tested-by: Qiu, Jianlin <jianlin.qiu@intel.com>

package.json

@@ -29,7 +29,7 @@
     "grunt-contrib-connect": "^1.0.2",
     "grunt-contrib-copy": "~0.8.2",
     "grunt-contrib-jshint": "^1.1.0",
-    "grunt-contrib-uglify": "git+https://github.com/gruntjs/grunt-contrib-uglify.git#harmony",
+    "grunt-contrib-uglify-es": "git+https://github.com/gruntjs/grunt-contrib-uglify.git#ccb95a70cad6a4e9e902d3bd5d0e38a4de09a1e1",
     "grunt-eslint": "^19.0.0",
     "grunt-string-replace": "~1.2.0"
   },

scripts/Gruntfile.js

@@ -46,9 +46,11 @@ module.exports = function(grunt) {
     '../src/sdk/icsREST/API.js'
   ];
 
+  grunt.file.setBase('../');
+
   // Project configuration.
   grunt.initConfig({
-    pkg: grunt.file.readJSON('../package.json'),
+    pkg: grunt.file.readJSON('package.json'),
     meta: {
       banner: '\
 /*\n\
@@ -319,7 +321,7 @@ window.L = L;\n\
 
   // Load Grunt plugins.
   grunt.loadNpmTasks('grunt-contrib-concat');
-  grunt.loadNpmTasks('grunt-contrib-uglify');
+  grunt.loadNpmTasks('grunt-contrib-uglify-es');
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-copy');
   grunt.loadNpmTasks('grunt-string-replace');