AUI-1014 Call 'expand' before 'appendChild' on tree-node when the dropAction is 'append'
AUI-1014 Build files
AUI-989 Add check to prime the index. isRegistered() is failing because the index has not been built.
AUI-989 Add missing registerNode() for Parent TreeNode.
AUI-989 Source formatting.
AUI-989 - Source formatting
AUI-989 - Build