feat(eslint): update eslint loader

Author: albizures

package-lock.json

@@ -27,7 +27,7 @@
     "connect-history-api-fallback": "^1.3.0",
     "debug": "^2.6.8",
     "eslint": "^3.19.0",
-    "eslint-loader": "^1.7.1",
+    "eslint-loader": "^1.8.0",
     "exports-loader": "^0.6.4",
     "extract-text-webpack-plugin": "^2.1.0",
     "file-loader": "^0.11.2",