Made block class much smaller, speeding up client prediction by a factor of two or so. Also seems to have reduced garbage pressure, although it's hard to tell.
Mostly working (and much faster) canvas renderer for perfChart.js.
A bit prettier canvas renderer.
Code cleanup for PerfChart
Draw red lines when values go outside of visible range.
Move into perf/ in anticipation of a variety of profiling/performance tools. Delete old DOMPerfChart, since the CanvasPerfChart is waaaay better now.
Rescale render graph to a more suitable maxValue.
Fixed player health (not really related to pull request, but I noticed it while working on the pull request).
Merge pull request #70 from crazy2be/speed

Speed