add resolve-url-loader that is required by bootstrap-loader

Author: bertho-zero

.bootstraprc

@@ -8,14 +8,15 @@
       "styleLoaders": [
         "style-loader?sourceMap",
         "css-loader?sourceMap&importLoaders=2",
+        "resolve-url-loader",
         "sass-loader?sourceMap"
       ],
       "extractStyles": false
     },
     "production": {
       "styleLoaders": [
         "style-loader",
-        "css-loader?importLoaders=2",
+        "css-loader?importLoaders=1",
         "sass-loader?sourceMap"
       ],
       "extractStyles": true

package.json

@@ -213,6 +213,7 @@
     "redux-devtools": "^3.3.2",
     "redux-devtools-dock-monitor": "^1.1.1",
     "redux-devtools-log-monitor": "^1.2.0",
+    "resolve-url-loader": "^2.0.2",
     "sass-loader": "^6.0.1",
     "sinon": "^2.1.0",
     "style-loader": "^0.17.0",