user permission files
add 2nd way to tag document inside pre defined folder
fix clipboard issue, restrict user except admin for delete & edit predefined folders.,move folders and document for desired folder.
Merge branch 'dev-master'

Conflicts:
	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/shared/Directives.js
	public/scripts/shared/Services.js