SearchBar added for searching a user in a new request
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/arugg003'

Conflicts:
	CartTracker/CartTracker/CTDataListViewController.m
Tried searchBar in Users and Carts but too complicated because the DataListViewController is fairly complex
Added another UIsearchBar in the New Request view for carts. It is not pulling all Carts, but I’ll modify it to show only carts with status as available
Committing
Added Login validation
Merge remote-tracking branch 'origin/arugg003'

Conflicts:
	CartTracker/CartTracker/CTDataListViewController.m
Finished User detail views, added picture saving, added admin checks to prevent loosing the admin