[graphics] canvas object initial definition
[graphics] make canvas_ops point to a const struct
[graphics] adapt ili93xx to the canvas object
[graphics] add fill test
[graphics] remove redundant line
[graphics] add utility accessor for pixel_set
[graphics] add canvas registry
[graphics] register ili93xx lcds in canvas registry
[graphics] rename js_painter->js_canvas
[graphics] rename js_painter->js_canvas - collateral damage
[graphics] initial move from painter to canvas. breaks existing graphics API
[graphics] register JS canvas upon creation
[graphics] convert circle to use the canvas API
[graphics] convert 'text' to use the canvas API
[graphics] get rid of old painter API
[graphics] fix include path
[graphics] set obj in js_canvas
[graphics] add graphics.h header file for aggregating graphics headers
[graphics] add circle to graphics tests
[graphics] add 'text' to graphics test