add jquery file upload dependencies into bower
added migration or model file for categories
add category design file
some designs updates and bug fixing
remove some unnessary files from application
Merge branch 'dev-master'

Conflicts:
	public/css/style.css
	public/scripts/app.js
	public/scripts/controllers/Dashboard.js
	public/scripts/controllers/Document.js
	public/scripts/controllers/Folder.js
	public/scripts/form/Components.js
	public/scripts/form/FileUploads.js
	public/scripts/shared/Directives.js
	public/views/dashboard.blade.php
Merge remote-tracking branch 'origin/master'