Adds a new flag to the Modal interface.
Adds BrushStrokes.
Adds an action to save elements drawn with BrushStrokes.
Adds a circle to BrushStrokesPicker displaying the color and the size of the strokes.
Creates the DRAW mode and PAINT toolbar.
Merge pull request #835 from RotaruDan/paintToolbar3

BrushStrokes and DRAW mode.