foursquare/FSQCollectionViewAlignedLayout — pull request #1 by zdavison (2014-06-25 20:18:43+00:00)
Title: Exposed totalContentSize and allowed lazy calculation for sizing.

I have a lot of collectionViews in my app, and one of the things I do is use the collectionView layout size to set the size of the collectionView dynamically depending on the size of the content.