WBNoticeViewSlidingMode property introduced to support for sliding up from the bottom
there should never be a delay when notice is dismissed interactively. Fixed the case where you wanted to dismiss a non sticky notice interactively
ios5 special handling of notice height removed because it resultet in a higher view than else so that success and notice height differed on ios6
error fixed: gradient view is redrawn to fit width if notice view is visible while the device is rotated
error fixed: sometimes the notice view was never dismissed if the app resigned active while a notice where shown
Use NSOperationQueue to filter out duplicates.
Let subclasses access the dismissbutton.
Use own queue to be able to cancel queued noticeViews.
Add new method: cancelAndDismissAllNoticeViews.
Fixed #40: Height for large error example is broken
Fixed #42: tapToDismissEnabled

Also fixed the potential issue of initializing properties using
self.xxx from the designated initializer method.