Refactored legends_list by creating LegendsList controller;
Refactored UI modules declaration into main UI module;
Replaced item occurances back to  node
Updated backbone, d3 and jquery
Added getTimelineRoute
Changed SheetItemBase from DenormalizedSheetItem back to SheetItem
Fixed SheetItemManager.timeline
Changed SheetItemFilter from using DenormalizedSheetItem to SheetItem
Changed SheetItemList from using DenormalizedSheetItem to SheetItem;
Fixed ItemsTimeline
First implementation of chart UI module