Bump grunt-contrib-cssmin to ~0.11.0

Gruntfile.js

@@ -224,7 +224,7 @@ module.exports = function (grunt) {
       options: {
         compatibility: 'ie8',
         keepSpecialComments: '*',
-        noAdvanced: true
+        advanced: false
       },
       minifyCore: {
         src: 'dist/css/<%= pkg.name %>.css',

package.json

@@ -42,7 +42,7 @@
     "grunt-contrib-connect": "~0.9.0",
     "grunt-contrib-copy": "~0.7.0",
     "grunt-contrib-csslint": "~0.3.1",
-    "grunt-contrib-cssmin": "~0.10.0",
+    "grunt-contrib-cssmin": "~0.11.0",
     "grunt-contrib-jade": "~0.14.0",
     "grunt-contrib-jshint": "~0.10.0",
     "grunt-contrib-less": "~0.12.0",