Merge pull request #22 from textpattern/greenkeeper/grunt-sass-lint-0.2.4

Update grunt-sass-lint to the latest version 🚀

Author: philwareham

package.json

@@ -28,7 +28,7 @@
     "grunt-contrib-watch": "1.0.0",
     "grunt-postcss": "0.9.0",
     "grunt-sass": "2.0.0",
-    "grunt-sass-lint": "0.2.3",
+    "grunt-sass-lint": "0.2.4",
     "load-grunt-tasks": "~3.5",
     "node-sass": "4.5.3",
     "sass-lint": "1.12.0"