Bug fix extravaganza

WhosFree
  -Keyboard doesn't open automatically for the add friend EditText
  -Upon adding or removing friend, text is cleared in EditText

FriendRequestActivity
  -Added function to remove a request
FriendRequestView
  -Updated OnClickListeners to tell FriendRequestActivity when they're
  clicked

General
  -Quick null check when launching ImFree
  -No more rotation. Portrait only (for now, just to clear the class)