AUI-854 TreeView duplicating child nodes
AUI-905 - AUI Tree "Load more results" link does not show up on tree nodes that are open when page is loaded
Merge branch '2.0.x' into pull-request-178-AUI-854
Merge branch '2.0.x' into pull-request-179-AUI-905
Adding ability to pass in button type to aui-toolbar
Fix YUIDoc error: loop extending class