SVN commit 914092 by rempt:

Small cleanups, mostly in headers and obsolete code


 M  +5 -61     kis_paint_device.cc  
 M  +1 -2      kis_paint_device.h  
 M  +2 -0      kis_painterly_overlay.cpp  
 M  +0 -1      kis_painterly_overlay.h  
 M  +0 -1      kis_pixel_selection.cpp  
 M  +184 -176  kis_top_down_update_strategy.cpp  
 M  +2 -0      tests/kis_paint_device_test.cpp