Masonry/Masonry — pull request #100 by kovpas (2014-09-09 15:31:23+00:00)
Title: iOS example app code cleanup.

IMO, it's not a best idea to invoke `setNeedsUpdateConstraints` directly from `init` method. Replaced this with `requiresConstraintBasedLayout` method implementation.

Also fixed crash on iOS 6 (anyone needs this at all?) :)