switch to ofxUI
add zoom/spin, refactor projection
add pan (not great)
merge in new server API
fix pan/zoom syncing
fix disconnect typo
add persistent user data for velocity extrapolation
merge GEVisualizer API
reformat gevisualizer.h
remove runaway userJointData.clear() from GEVisualizer
(test) draw and print skeleton
add ui toggle button.
remove cruft
add SkeletonRenderer