* Remove redundant background redrawing RedrawActiveWindow.
* Remove redundant managed cursor callback in RedrawActiveWindow.
* Use refresh to redraw instead of directly calling RedrawActiveWindow.
* Remove unused SetDrawBgColor for drawframe.cpp.
* Fix compiler warning in cvpcb/cvframe.cpp.
* Fix menu spelling and syntax errors in pcbnew.
* Rename Trace_Curseur to DrawCursor in common/drawpanel.cpp.
* Replace schematic editor options dialog with wxFormBuilder version.
* Fix ugly wxGTK sizer hack in pin properties dialog.
* Set dialog minimum size after initial fit to prevent dialog controls
from being obscured when resizing.
* Move bitmaps in annotate dialog for cleaner control alignment.