syntx of null pointer dereference checks
Patch from Lubomir Rintel: fixes for GCC 4.4
Warning cleanup
glib/gtestutils.h is not available on gutsy, so switching to include of glib.h, which will include that file on hardy, but on gutsy will include gmessage.h.
Fix missing include for g_assert() calls - causes FTBFS on Ubuntu Hardy currently.
Improve null check
merge XML::Session into XML::Document
shared_ptr -> ptr_shared
replace Util::SharedCStringPtr with the more general Util::shared_ptr<>
moving trunk for module inkscape