initial check-in
initial version of  task, animhandler, datamanager
initial check-in for chart
adding event manager
updates to folder structure
remove orphan files
Basic rendering, drill-in and drill-out
animating the initial render
drill in animations
drillout animations
fix drill out animations
tuning drill in animation flow
adding more data (not finished yet)
rename files
updating test data
adding colors
adding more colors
changes to zoomout
fix zoomout anim
draw in counterclockwise direction while zooming