added friends list, added request for image in loginviewcontroller, added logout button for testing different user, added a Photo object on Parse
updated to TTfriendTablViewController to findobject in background
changed friendlist to collectionViewController instead tableViewController
comment out viewdidappear for testing
fixedx friend list layout
fixedx friend list layout
Merge branch 'Thanhbranch'
friends list

friendslist