fixed black system on resize + 0 size exportToPNG bug (same root cause)

fix hidden systemInfo layer

fixed broken png export after adding color layers

added build script logging

bumped sass

saving nice color example

correctly popping color pointers

updated index to point to Util.enhanceCanvas

moved to variable canvas number - reference container instead

removed canvasWidth/Height util

stretch handling / retina support for all canvii. still in dodgy hard-coded state...

added benchmark runner

holy crap! fast as hell

fixed benchmark

added retina support