This is commit f350babf36818ba805ab0b4510b6616aaf3063fc.
.
Reading "Please update wx/compiler.h to recognize this VC++ version" gets
old pretty quickly.
Configures the settings in include/wx/msw/setup.h.
Removes icons from include/wx/msw/wx.rc.
Deletes include/wx/msw/rcdefs.h (autogenerated by build process).
Updates .gitignore by including wxWidgets3.0 build files and adds a
missing '/' to build.