--- node_modules/grunt-contrib-uglify/package.json	2017-01-19 12:48:34.672225217 -0500
+++ node_modules/grunt-contrib-uglify/package.json.new	2017-01-19 12:48:15.695558378 -0500
@@ -67,7 +67,7 @@
     "chalk": "^1.0.0",
     "lodash": "^3.2.0",
     "maxmin": "^1.0.0",
-    "uglify-js": "^2.4.24",
+    "uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#harmony",
     "uri-path": "0.0.2"
   },
   "description": "Minify files with UglifyJS",

--- node_modules/grunt-contrib-uglify/package.json	2017-01-19 12:48:34.672225217 -0500
+++ node_modules/grunt-contrib-uglify/package.json.new	2017-01-19 12:48:15.695558378 -0500
@@ -67,7 +67,7 @@
     "chalk": "^1.0.0",
     "lodash": "^3.2.0",
     "maxmin": "^1.0.0",
-    "uglify-js": "^2.4.24",
+    "uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#harmony-v2.8.22",
     "uri-path": "0.0.2"
   },
   "description": "Minify files with UglifyJS",

Fix uglify-js harmony patch version
Fix uglify-js harmony patch version

Latest UglifyJS harmony branch are released with version 3.x,
Use grunt-contrib-uglify compatible 2.x harmony patch instead.
