Implements internal error page when request return 500 status code.
Add catch for 401 and 403 responses.
Adds forbidden page for request qith a 403 response.
Add comments to css block.
Add popover asking to login con 401 responses.
Garments forms, only close if request's reponse its ok-200.
Merge branch 'DEV' into Servers500-401-403Pages

Conflicts:
	public/css/main.css
	public/js/controllers.js
Add stock per item.
Merge pull request #85 from mbmihura/Servers500-401-403Pages

Servers500 401 403 pages