(incl. MDI area clipping); put wxPrintPaperDatabase, wxPrintPaperType into prntbase.cpp
since it's needed in non-PostScript WIN16 for the generic page setup dialog;
corrected some 16-bit makefiles
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1831 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775