Selection/deselection of categories and pins at registration

Now you can select as many categories/pins at registration.
You can also deselect.
If you go back to category, you must re-select categories to activate the button.
Merge pull request #12 from camilotorresf/fix-category-selection

Selection/deselection of categories and pins at registration
removed message and notification icons,added tabbed navigation to profile
Merge pull request #13 from madra/live

removed message and notification icons,added tabbed navigation to profil...