Custom subviews
Merge branch 'subviews' # Conflicts: # PullToRefreshDemo/Base.lproj/Main.storyboard # PullToRefreshDemo/BeatAnimator.swift # PullToRefreshDemo/PacmanAnimator.swift # PullToRefreshDemo/PullToRefreshViewController.swift # Refresher/Animator.swift # Refresher/PullToRefreshView.swift