Added a new method - initComplete - to glu lifecycle.
With key tracking turned on, glu should error when adding an existing key.
Improved how glu bootstraps itself by allowing you to appropriately populate any glu defaults beforehand.
Added support for optimized removeAll binding (for List only)
Added async layouts - when configured with glu.asyncLayouts it suspends Ext layouts until the UI thread exits. Results in large performance improvements. Possible because for us a view is just window dressing and doesn't need to be synchronous.