Ability to customise fade duration.
Wrapped method signature comment in backticks.
Remove `closeWithFadeoutDuration:`.
Merge pull request #47 from baz/master

Ability to customise fade duration
++libextobjc to fix ext_copyPropertyAttributes() overflow
Adding CONTRIBUTING file
Remove Contributing section from README
Merge remote-tracking branch 'origin/master' into contributing
Merge pull request #50 from github/contributing

Added CONTRIBUTING file
++specta for shared example and teardown improvements
Reapply layer properties when transitioning superviews or windows
Add RBLView.cornerRadius

This way, it can be saved and reapplied just like other layer properties.
Test layer property preservation
Log the different things being tested when moving around
Reapply layer properties whenever -setLayer: is invoked too
At each step, verify that the layer is not nil
Try reinvoking -setWantsLayer: when applying layer properties
Revert "Try reinvoking -setWantsLayer: when applying layer properties"

This reverts commit aec0b4fa0f8d96aef5088d9d62afeba66016b2b5.
Meh, just don't test the layer after removing the view from a window
Merge pull request #51 from github/preserve-backed-layer-properties

Preserve RBLView's layer properties when moving superviews/windows