Deprecated inclusion of simple NodeJS web Server

Updated the README
Refactored responsive-directive.js

Refactored for DRY usages
Fixed memory leak with watchers
Optimized checks for window width and smartDevice
Created a CommonJS module using `module.exports`
Moved sample Apps to `/samples` directory

Updated Bower to include  `angular-route` ( for a /app2 )
Updated gitIgnore
Manually added angular-responsive to /bower_components