grunt serve for development is now up

Hi,

The src directory is setup for development. Check src/README.md for details.
Briefly

grunt serve - starts an http-server on localhost:8282 and you can run localhost:8282/app.html 
Changes made to src/js/src-js/*.js and src/jade/*.jade files are watched and re-compiled as needed. 
Refresh browser to see new changes

@ssr1ram