Add scss-lint to dev dependencies

Author: javivelasco

package.json

@@ -57,8 +57,8 @@
     "babel-loader": "^5.3.2",
     "babel-plugin-react-transform": "^1.1.1",
     "core-js": "^1.2.6",
-    "cross-env": "^1.0.4",
     "cpx": "^1.2.1",
+    "cross-env": "^1.0.4",
     "css-loader": "^0.21.0",
     "eslint": "^1.7.3",
     "eslint-plugin-react": "^3.3.1",
@@ -86,6 +86,7 @@
     "redbox-react": "^1.1.1",
     "rimraf": "^2.4.3",
     "sass-loader": "^3.0.0",
+    "scss-lint": "0.0.0",
     "sinon": "git://github.com/sinonjs/sinon.git#b672042043517b9f84e14ed0fb8265126168778a",
     "style-loader": "^0.13.0",
     "toolbox-loader": "0.0.2",