Added new dynamic loading classes. (which handle proper

Added new dynamic loading classes.  (which handle proper
wxRTTI and wxModule initialisation and unloading)
Removed serialisation code from wxObject and elsewhere.
Added USER_EXPORTED hash and list macros.
Added *_PLUGGABLE_CLASS defines for exporting dynamic wxObjects
from dlls.

 ----------------------------------------------------------------------
 Modified Files:
 	Makefile.in configure configure.in setup.h.in debian/changelog
 	distrib/msw/tmake/filelist.txt include/wx/defs.h
 	include/wx/docview.h include/wx/dynlib.h include/wx/fileconf.h
 	include/wx/hash.h include/wx/list.h include/wx/module.h
 	include/wx/object.h include/wx/resource.h include/wx/stream.h
 	include/wx/gtk/setup0.h include/wx/msw/setup0.h src/files.lst
 	src/wxBase.dsp src/wxUniv.dsp src/wxWindows.dsp
 	src/common/dynlib.cpp src/common/filename.cpp
 	src/common/module.cpp src/common/object.cpp
 	src/common/stream.cpp src/gtk/files.lst src/mac/files.lst
 	src/mgl/files.lst src/mgl/makefile.wat src/motif/files.lst
 	src/msw/dialup.cpp src/msw/files.lst src/msw/helpchm.cpp
 	src/msw/makefile.b32 src/msw/makefile.bcc src/msw/makefile.dos
 	src/msw/makefile.g95 src/msw/makefile.sc src/msw/makefile.vc
 	src/msw/makefile.wat src/os2/files.lst src/univ/files.lst
 Added Files:
 	include/wx/dynload.h src/common/dynload.cpp
 Removed Files:
 	include/wx/objstrm.h include/wx/serbase.h
 	src/common/objstrm.cpp src/common/serbase.cpp
 	utils/serialize/.cvsignore utils/serialize/makefile.b32
 	utils/serialize/sercore.cpp utils/serialize/sercore.h
 	utils/serialize/serctrl.cpp utils/serialize/serctrl.h
 	utils/serialize/serext.cpp utils/serialize/serext.h
 	utils/serialize/sergdi.cpp utils/serialize/sergdi.h
 	utils/serialize/sermain.cpp utils/serialize/serwnd.cpp
 	utils/serialize/serwnd.h
 ----------------------------------------------------------------------

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13088 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775