* BUG: Handle cyclic dependencies between components correctly.

[GB.DRAW]
* BUG: Handle brush origin by translating the brush transformation matrix.

[GB.GTK]
* NEW: Start implementing the Paint interface.
* NEW: DrawingArea.Painted is a new property. When set, the Paint interface 
  must be used inside the Draw event, instead of the old Draw interface.


git-svn-id: svn://localhost/gambas/trunk@2537 867c0c6c-44f3-4631-809d-bfa615b0a4ec