v2.1.1

Fix default images not being included

Fresh styles y'all

• add style property for changing the appearance of the overlay
• refactor overlay view out into its own class NKOverlayView
• remove iOS6 support
• use FXBlurView for blurring
• add landscape support

Shiny iOS7 compatibiltiy

• updated for iOS7 (overlay is a translucent blur like UIAlertView)
• transitioned to ARC
• did unholy amounts of refactoring
• changed superclass to UIControl so target/action pattern can be used
• removed delegate which is now redundant thanks to target/action
• removed custom property isOn, use standard selected property now

First release

v1.0.0

Add iPhone 5 compatibility