Reveert to previous dependencies

package.json

@@ -51,7 +51,7 @@
     "css-loader": "^0.28.7",
     "eslint": "^4.18.0",
     "eslint-config-standard": "^11.0.0",
-    "eslint-friendly-formatter": "^4.0.0",
+    "eslint-friendly-formatter": "^3.0.0",
     "eslint-loader": "^2.0.0",
     "eslint-plugin-html": "^4.0.1",
     "eslint-plugin-import": "^2.8.0",
@@ -70,11 +70,11 @@
     "node-sass": "^4.5.0",
     "optimize-css-assets-webpack-plugin": "^4.0.0",
     "rimraf": "^2.6.1",
-    "sass-loader": "^7.0.0",
+    "sass-loader": "^6.0.6",
     "semver": "^5.4.1",
-    "style-loader": "^0.21.0",
+    "style-loader": "^0.20.0",
     "vue": "^2.5.16",
-    "vue-loader": "^15.1.0",
+    "vue-loader": "^14.0.0",
     "vue-template-compiler": "^2.5.0",
     "webpack": "^3.0.0",
     "webpack-dev-server": "^2.5.1",