Revert "bump to webpack 3 (#1034)" (#1038)

This reverts commit 12ccde4.

build/webpack.common.config.js

@@ -108,6 +108,11 @@ module.exports = {
 							}
 						],
 
+						// This is actually included in the 'es2015' preset but we need to override the
+						// `loose` option to be true
+						// TODO: stop transform-es2015-classes being loose. loose allows non-spec compliant classes.
+						[ require.resolve('babel-plugin-transform-es2015-classes'), { loose: true } ]
+
 						// converts import/export to commonjs, currently not used but
 						// will look to include it for browsers that can support modules
 						// require('babel-plugin-transform-es2015-modules-commonjs'),

package.json

@@ -87,7 +87,7 @@
     "commander": "^2.9.0",
     "css-loader": "^0.28.4",
     "extract-css-block-webpack-plugin": "^1.3.0",
-    "extract-text-webpack-plugin": "^3.0.0",
+    "extract-text-webpack-plugin": "^2.1.0",
     "ft-poller": "^2.9.0",
     "handlebars-loader": "^1.4.0",
     "imports-loader": "^0.7.1",
@@ -102,7 +102,7 @@
     "sass-loader": "^6.0.5",
     "semver": "^5.3.0",
     "shellpromise": "^1.4.0",
-    "webpack": "^3.2.0",
+    "webpack": "^2.6.1",
     "webpack-merge": "^4.1.0",
     "webpack-sources": "^1.0.1",
     "webpack-stats-plugin": "^0.1.1"