iOS 7 - AVFoundation Challenges
Merge branch 'master' of https://github.com/longvinhnguyen/iOS-practices

Conflicts:
	ColloQR/ColloQR.xcodeproj/project.pbxproj
	ColloQR/ColloQR/AppDelegate.m
	ColloQR/ColloQR/Base.lproj/Main.storyboard
	ColloQR/ColloQR/ViewController.m