Fixed some performance issues in timeline
Make timeline-scrubber touch-screen friendly
Stop highlighting the playing animation on the timeline
Moved wat-tree-node out of wat-tree
Changed tree node from li to div

So that when hovering an item it will highlight only the current item but not the children
New drag and drop
Allow add/delete animations
Allow add/change name of animations
merged tree view and timeline
allow zooming on the timeline
Updated bower