Squashed 'WLContainerControllers/' changes from 2ee996d..7ec7048

7ec7048 Bug fix: setRightBarButtonItems:animated does not trigger KVO so simple setting must be used instead.
864b0be [UIScreen mainScreen].bounds is orientation dependent on iOS 8 so related code must be updated accordingly.
3584e9c Set default automaticallyAdjustsScrollViewInsets to NO.
58b01a2 + animatesNavigationBarChanges + animatesToolbarChanges

git-subtree-dir: WLContainerControllers
git-subtree-split: 7ec7048a8365b58ab8188191eb0ac856da3ad3fe
Merge commit 'c155d1d6165c0c0fe61ef752ab9f8892d20d086d'