add opt-out backgroundButton ‘tap catcher’ to capture taps on the background of a Notification (so it acts more like an iOS Push Notification)
fix a few positioning bugs related to line-height for the subtitle
comments improvements
include link to project in .h and .m file
include license in .m file
fix some transition-in bugs
add swipeToDismissEnabled property (default YES)
(best effect & simplicity achieved via internal refactor to UIScrollView)
rename/re-class backgroundButton to backgroundView
add sanity to button tagging structure
prevent Notification from self-dismissing after its duration countdown if you are dragging (or have dragged) the Notification