moving to socket.io 1.0
Merge https://github.com/clementfarabet/gfx.js
gfx commandline util has start/stop options
newer version of nvd3
added png save for chart (png renders properly, unlike SVG which has bugs
image window resizing is now working (still no worky for charts)
Merge pull request #24 from soumith/master

socket.io moved to 1.0.0