add multipeerVC
add button
add invitation
relocated initializers
add labels and buttons
add ability to push data
finish pushing capability
change multipeerviewcontroller to multipeercontroller
refactor multipeercontroller class
refactor
indicate which methods to implement
Added descriptions for functions in the game controller.
Add event handling
Merge remote-tracking branch 'origin/GameController' into GameController
implement more methods
Merge remote-tracking branch 'origin/master'
change name of function