Made the PencilPaintOperation's constructor always set the Size property to 1.
Updated change log to reflect recent changes
Made the pasting  on the SelectionPaintOperation.Paste() to be placed at the top-left visible corner of the canvas.
Updated change log to reflect recent changes.
Removed FrameView.DisplayFilterControls() method to minimize fragmentation of code. Use the FrameView.DisplayFilterPreset() instead from now on.