Added test notification subclass.
Killed a retain cycle.

Thanks, @pmazurin for noticing. ;)
Reworked default notification view.

Better autolayout (works on iOS7 too now).
Allows flexible sliders.
Added configuration for notification views too.
Small tweak to burst.
Layouts can now declare which swiping directions are valid.
Updated readme and podspec to 1.2
Fixed an orientation bug.