Merge pull request #117 from bace135/feat/friend-requests

Feat/friend requests
Merge pull request #118 from bace135/feat/friend-requests

(bug) added back satokos work lost in last merge conflict
(feat) add friends button in home nav bar
(feat) add countRequest function
(feat) show if there is a friend request in home view
Merge pull request #119 from Neco-Murphy/feat/showFriendRequest

(feat) show if you have friend request in home
(bug) fixed results communication with server
(bug) whitelist image files
(refactor) fixed typo
(bug) fix friend request button not being able to be clicked
(bug) change friend to Friend in ng-show in nav button in home
(bug) fix typo of friendRequests in homeController
(bug) fix typo in homeTeplate
Merge pull request #121 from Neco-Murphy/feat/showFriendRequest

(bug) fix friend request button not being able to be clicked
(refactor) removed some excess logs
Merge pull request #120 from richguan/bug/results

(bug) front and back end now communicate properly
(refactor) combine server requests from home
(refactor) delete functions from addFriends and pending factories
(refactor) add new line
Merge pull request #123 from Neco-Murphy/refactor/homeServerRequest

(refactor) add checkUpdates function