* Implement code to allow wxDC to handle coordinate conversions between
device and drawing units.
* Add build settings to enable wxGCDC for wxGraphicsContext testing.
* Remove wxAUI conditional build cruft as it is now required to build
Kicad.
* Fix scroll increment size regression to prevent jumping around the
zoom center position.
* Add find GDI+ cmake module for building on WXMSW when wxGraphicsContext
is enabled.
* Replace all known instances of (const wxChar*) casts to GetChars() for
wxWidgets 2.9 compatibility.
* Cleaned up get component dialog so last part gets saved on wild card
selections.
* Remove redundant schematic component drawing code.
* Added SCH_COMPONENT constructor to create new component from library
component object.
* Add message panel helpers to WinEDA_DrawFrame and update old message
panel access code.
* Using library viewer to add component to schematic now respects unit
and body style selection.
stambaughw