add option to change color easily
add option to change color easily

mikedc/canvas-contrib,kajigga/canvas-contrib,mattattack7/canvas-contrib,kajigga/canvas-contrib,mikedc/canvas-contrib,kajigga/canvas-contrib,mattattack7/canvas-contrib,mikedc/canvas-contrib,kajigga/canvas-contrib,mattattack7/canvas-contrib,mikedc/canvas-contrib,mikedc/canvas-contrib,mattattack7/canvas-contrib,kajigga/canvas-contrib,mikedc/canvas-contrib,mattattack7/canvas-contrib,mattattack7/canvas-contrib,mattattack7/canvas-contrib,kajigga/canvas-contrib,kajigga/canvas-contrib,mattattack7/canvas-contrib,kajigga/canvas-contrib,mikedc/canvas-contrib,mikedc/canvas-contrib