widget-ify input range
make blendWeight a param on ColorWalks
many improvements to color-picker, range widget

  - add save and v0.1 controls to /hilbert color-picker
  - separate <input> "range" widget to its own class
more hilbert/picker improvements

- display LRU clicked-color thumbnails
- add multiple-res hilbert imgs
make LRU clicked colors clickable
store prev-clicked colors in cookies
add granularity radios to hilbert color picker
rotate every other hilbert image

keep them all in the same orientation
fix utils bug
add curFrame storing on server, printing client
add framerate logging
factor page-rerender code out of Deps.autorun
factor Deps.autorun logic out
implement "reactive frames" and send to client
restore reactive updating
add FpsMonitor wrapper for Timers
refactor client to use FrameMonitor
fps monitoring on client