Adds SLSwitch
Adds SLSwitch documentation
Changes SLSwitch to match UISwitch methods
Updates SLSwitch tests
Revert SLSwitchTest xib to Xcode 4.6 format
Updates SLSwitch documentation
Merge pull request #85 from j-mutter/feature/adds-slswitch

Adds SLSwitch
Merge remote-tracking branch 'upstream/master'