Updates the toggleApplication: method to enumerate the array objects using a block, instead of a performSelector: loop.
Removes the 3 performSelector: enumeration methods from NSArray_BLTRExtensions, and updates any use of those methods with block-style enumerations.
Re-adds the performSelector array BLTR extension methods, and updates them to use block enumeration.
Updates the remaining BLTR array extension methods to use block enumeration.
Updates the implementation compiler directive for the BLTRExtensions category related to the performSelector methods, so that it matches the interface.
Updates the QuickStepEffects framework to use ARC. Also fixes a bug in the QSTriggerManager/QSWindow that would cause a crash in ARC.