* Makefile.in:
- from cygwin: add -no-undefined to the library link line
* conftools/get-version.sh: (new file)
- script to extract the version number from expat.h
* configure.in:
(some from the cygwin patch)
- update the prereq to 2.52 instead of just 2.50
- update the AC_INIT line to 2.52 standards: include the package
name, version (with a lot of gunk to get this), and where to send
bugs)
- update the output file generation to 2.52 standards
* make-release.sh:
- update to use the new get-version.sh script
* lib/expat.h:
- from cygwin: add a little define for CYGWIN
