Speed up build (#1852)

* single build webpack

* fix demo shell test

ng2-components/config/webpack.build.js

@@ -0,0 +1,49 @@
+const webpack = require("webpack");
+const webpackMerge = require('webpack-merge');
+const commonConfig = require('./webpack.common.js');
+
+module.exports = webpackMerge(commonConfig, {
+
+    output: {
+        filename: '[name]/bundles/[name].js',
+        library: '[name]',
+        libraryTarget: 'umd',
+        chunkFilename: '[id].chunk.js'
+    },
+
+    entry: {
+        "ng2-alfresco-core": "./ng2-alfresco-core/index.ts",
+        "ng2-alfresco-datatable": "./ng2-alfresco-datatable/index.ts",
+        "ng2-activiti-diagrams": "./ng2-activiti-diagrams/index.ts",
+        "ng2-activiti-analytics": "./ng2-activiti-analytics/index.ts",
+        "ng2-activiti-form": "./ng2-activiti-form/index.ts",
+        "ng2-activiti-tasklist": "./ng2-activiti-tasklist/index.ts",
+        "ng2-activiti-processlist": "./ng2-activiti-processlist/index.ts",
+        "ng2-alfresco-documentlist": "./ng2-alfresco-documentlist/index.ts",
+        "ng2-alfresco-login": "./ng2-alfresco-login/index.ts",
+        "ng2-alfresco-search": "./ng2-alfresco-search/index.ts",
+        "ng2-alfresco-social": "./ng2-alfresco-social/index.ts",
+        "ng2-alfresco-tag": "./ng2-alfresco-tag/index.ts",
+        "ng2-alfresco-upload": "./ng2-alfresco-upload/index.ts",
+        "ng2-alfresco-viewer": "./ng2-alfresco-viewer/index.ts",
+        "ng2-alfresco-webscript": "./ng2-alfresco-webscript/index.ts",
+        "ng2-alfresco-userinfo": "./ng2-alfresco-userinfo/index.ts"
+    },
+
+    plugins: [
+
+        //new webpack.optimize.UglifyJsPlugin({
+        //    mangle: {
+        //        keep_fnames: true
+        //    },
+        //    compress: {
+        //        warnings: false
+        //    },
+        //    output: {
+        //        comments: false
+        //    },
+        //    sourceMap: true
+        //})
+
+    ]
+});