add HSVColorPickerDialog
use brush.defaultColor
takes into account textureDepth parameter for adding texture effect
move brush selection to a new activity
add more brushes
fix name for hard pencil brush
takes into account all maskImageArray
fix mDrawingAlpha to be used only in mDrawingLayer and not in mMergedLayer
add eraser brushes
takes into account useSmudging
add some smudging brushes
change finger brush default color to white transparent
add android-iconify library
add delete canvas button