Loosen Grunt-CLI version requirement

Author: philwareham

package.json

@@ -19,7 +19,7 @@
   "devDependencies": {
     "autoprefixer": "6.3.4",
     "grunt": "~0.4.5",
-    "grunt-cli": "~1.0",
+    "grunt-cli": "~1",
     "grunt-concurrent": "2.2.1",
     "grunt-contrib-clean": "1.0.0",
     "grunt-contrib-copy": "1.0.0",