Add tests for and fix argument retaining and clearing

Signed-off-by: Alexsander Akers <a2@pandamonia.us>
Import UIPopoverController+BlocksKit.h in BlocksKit.h

Signed-off-by: Alexsander Akers <a2@pandamonia.us>
Added -[NSIndexSet mapIndex:] method.
Added doc comment for new method.
Merge pull request #128 from kaelin/master

Add -[NSIndexSet mapIndex:] method, thanks to @kaelin.
Unit test and fix for block observer multiplexing. Closes issue #132.
A2BlockInvocation: Use NSDictionary to retain arguments. More robust string copying. Fixes analyzer issues; closes #125.
Rewrite parts of NSObject+BlockObservation to enable automatic deobservation, courtesy of ReactiveCocoa. Closes #115.
Atomic versions of associated properties. Closes #112.
Remove leftover NSLogs
Merge pull request #135 from MSch/patch-1

Remove leftover NSLogs
Welcome to BlocksKit 1.8.2.
Use the recommended CocoaPods practice of automatically specifying the tag.
add note on location of libBlocksKit.a
Merge pull request #138 from mirkokiefer/master

Document output path of static library
Added instruction to download libffi as part of manual installation process
UIAlertView button indexes don't necessarily correspond to their layout ordering in terms of cancel button placement. Let UIAlertView handle it, rather than explicitly adding cancel as an 'other button'
Merge pull request #140 from coryallegory/master

Fixing a couple outstanding issues (thanks @coryallegory)
Add newline at the end of files and make source files non executable.
Merge pull request #144 from stylight/master

Newlines at the end of files and non-executable sources