chore(package): update style-loader to version 0.19.1

Closes #113

Author: greenkeeper[bot]

package.json

@@ -54,7 +54,7 @@
     "node-sass": "^4.5.3",
     "postcss-loader": "^2.0.6",
     "sass-loader": "^6.0.6",
-    "style-loader": "^0.18.2",
+    "style-loader": "^0.19.1",
     "url-loader": "^0.5.9",
     "webpack": "^3.1.0",
     "webpack-dev-server": "^2.5.1",