* move wxBrush to etg/brush.py
* move wxBookCtrlBase and wxBookCtrlEvent to etg/bookctrl.py
* move wxBitmapButton to etg/bmpbuttn.py
* move wxArrayString MappedType and add wxArrayInt plus some unittests
* add checking for default values for pos and size parameters in fixWindowClass
* set out parameter flags for wxImageHistogram.FindFirstUnusedColour
* Restore layout constraints classes and related methods
* Create a MappedType for wxClientData
* update used of wxClientData in wx.CommandEvent
* Move wxControlWithItems, wxItemContainer and wxControlWithItems to etg/ctrlsub.py
* enable some Append, Insert and Set overloads in wxControlWithItems
* addGetterSetterProps: don't make setter-only properties
* addGetterSetterProps: ensure that the getter can be called with zero args
* addGetterSetterProps: ensure that the setter can be called with just 1 arg
* restore version checking code
* moved DC classes to other etg files to match interface file names.
* allow both overloads for wx.DC.GetTextExtent and GetMultiLineTextExtent by renaming 1
* add wx.DC.GetPartialTextExtents
* and some other stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@68975 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
