basic display with adding and removing from Firebase of potential matches
add alert view to prompt for user nickname if not already set
Added invite ability and sections in table view for invites vs players in lobby
Merge branch 'master' into firebase

Conflicts:
	WizardWar.xcodeproj/project.pbxproj
merge fix
getting close to a working invite acceptance
Merge branch 'firebase'

Conflicts:
	WizardWar/MatchmakingViewController.m
Merge branch 'master' of https://github.com/seanhess/wizardwar