Store a strong reference to the button that's created so it doesn't go away on iPhone 6
Merge pull request #7 from brockboland/weeeeeak

Store a strong reference to the Add button
Issue #8 fix: Photos are sorting backwards
Delegate for getting Add Items button title.
Square thumbnails.
Attempt to only get albums with items in them.
Get rid of string category.
Clip to bounds.
Merge pull request #13 from lquigley/master

Fixing issues #8-11