Minor clean up of Graphics, and removed debug code for Command pool.
Minor clean up of Graphics, and removed debug code for Command pool.

Signed-off-by: Grant Skinner <59bd0a3ff43b32849b319e645d4798d8a5d1e889@gskinner.com>

ytiurin/EaselJS,markknol/EaselTS,thinkerchan/EaselJS,gitzxon/EaselJS,ebabel-eu/EaselJS,createjs-components/easeljs,8823-scholar/EaselJS,xushuwei202/EaselJS,EricHodgins/EaselJS,legendvijay/EaselJS,mientjan/weasel,speedlightconsulting/EaselJS,zhengjiangbin/EaselJS,legendvijay/EaselJS,andrew168/EaselJS,speedlightconsulting/EaselJS,andrew168/EaselJS,8823-scholar/EaselJS,felipegtx/EaselJS,CreateJS/EaselJS,nbellowe/EaselJS,julianromera/EaselJS,SpringRoll/EaselJS,mientjan/EaselTS,mientjan/EaselTS,gitzxon/EaselJS,abouthiroppy/EaselJS,briesurrood/EaselJS,abouthiroppy/EaselJS,Teino1978-Corp/https-github.com-Teino1978-Corp-EaselJS,CreateJS/EaselJS,kidaa/EaselJS,markknol/EaselTS,ovcharik/EaselJS,johnv315/EaselJS,zhengjiangbin/EaselJS,Teino1978-Corp/https-github.com-Teino1978-Corp-EaselJS,briesurrood/EaselJS,nbellowe/EaselJS,thinkerchan/EaselJS,bambalaus/EaselJS,ytiurin/EaselJS,ebabel-eu/EaselJS,kidaa/EaselJS,johnv315/EaselJS,mientjan/weasel,SpringRoll/EaselJS,EricHodgins/EaselJS,rhildred/abacus,julianromera/EaselJS,bambalaus/EaselJS,markknol/EaselTS,felipegtx/EaselJS,rhildred/abacus,ovcharik/EaselJS,exsodus3249/EaselJS,xushuwei202/EaselJS,exsodus3249/EaselJS