a real naming conflict with Perl's XML::Parser::Expat module and the
relatively recent 1.95.x naming of the combined Expat DLL.
This does not introduce new names for the "wide" version of the Expat
API; this will be a separate change.
See SF bug #432456.
* use libtool to compile/link all programs
* remove */Makefile.in and remove them from configure
* remove autom4te.cache after running autoconf
* remove .o from the FILEMAP logic in configure and the Make system;
provides more flexibility in the Makefile to use it
* for VPATH builds: create the build subdirs by running
"make mkdir-init" from the configure script
* adjust .cvsignore files to account for presence of .libs now