adding grunt support for packages folder. Therefore when user creates new packages, they will automatically have the following support: 1) js jshint & livereload. 2) html livereload. 3) css csslint & livereload.

adding grunt support for packages folder. Therefore when user creates new packages, they will automatically have the following support: 
1) js jshint & livereload. 
2) html livereload. 
3) css csslint & livereload.