relative pointing (#1879)

readme modify
start.sh and nom-build-all refactoring
change travis conf
update version of zone.js (fixes console error)
karma conf remove dist
add alias build
override tsconfig components build

demo-shell-ng2/config/webpack.test.js

@@ -2,6 +2,7 @@ const webpack = require('webpack');
 const helpers = require('./helpers');
 
 module.exports = {
+
     devtool: 'inline-source-map',
 
     resolve: {