Make it use localhost rather than 0.0.0.0, also React 15.4 so I do not have to ugprade createClass yet

Author: BookOfGreg

test/dummy_webpacker2/config/webpacker.yml

@@ -25,7 +25,7 @@ development:
   <<: *default
 
   dev_server:
-    host: 0.0.0.0
+    host: localhost
     port: 8080
     https: false
 

test/dummy_webpacker2/package.json

@@ -11,6 +11,7 @@
     "coffee-loader": "^0.8.0",
     "coffee-script": "^1.12.7",
     "compression-webpack-plugin": "^1.0.0",
+    "create-react-class": "^15.6.0",
     "css-loader": "^0.28.7",
     "extract-text-webpack-plugin": "2.x.x",
     "file-loader": "^0.11.2",
@@ -23,7 +24,7 @@
     "precss": "^2.0.0",
     "prop-types": "^15.5.10",
     "rails-erb-loader": "^5.2.1",
-    "react": "^15.6.1",
+    "react": "15.4.x",
     "react-dom": "^15.6.1",
     "react_ujs": "^2.2.1",
     "resolve-url-loader": "^2.1.0",

test/dummy_webpacker2/yarn.lock

@@ -1779,7 +1779,7 @@ faye-websocket@~0.11.0:
   dependencies:
     websocket-driver ">=0.5.1"
 
-fbjs@^0.8.9:
+fbjs@^0.8.4, fbjs@^0.8.9:
   version "0.8.15"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.15.tgz#4f0695fdfcc16c37c0b07facec8cb4c4091685b9"
   dependencies:
@@ -3902,15 +3902,13 @@ react-dom@^15.6.1:
     object-assign "^4.1.0"
     prop-types "^15.5.10"
 
-react@^15.6.1:
-  version "15.6.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-15.6.1.tgz#baa8434ec6780bde997cdc380b79cd33b96393df"
+react@15.4.x:
+  version "15.4.2"
+  resolved "https://registry.yarnpkg.com/react/-/react-15.4.2.tgz#41f7991b26185392ba9bae96c8889e7e018397ef"
   dependencies:
-    create-react-class "^15.6.0"
-    fbjs "^0.8.9"
+    fbjs "^0.8.4"
     loose-envify "^1.1.0"
     object-assign "^4.1.0"
-    prop-types "^15.5.10"
 
 react_ujs@^2.2.1:
   version "2.2.1"