starting to track with git
packing circles with force
static force layouts
add css3 tranform scale to groups for resizing
add blur class to group instead of circles
spread out into multiple files
add smooth zoom
add budget 2012 product numbers
recursive zoom
add clip path for groups
fix circle order (z-index)
fix parent circle hiding
gloabl clamped color scale
per level color scale
disable surplus node
cache data processing
add table view, browser feature check
license
data license
jslint it, add depth label to table view