Improved the doxygen output settings
tmpfile_name: updated return type
configure.ac: made doxygen checks more robust
doc.cfg.in: adjusted the settings and added configure substs for latex
Makefile.am: cleaned up the make rules.
patched lib.h and altered the makefile again
Added a proper instance of the GPL to the documentation and others...
Made the displayed GPL our own
Made all texinfo files translate to markdown for doxygen
Added the Free Documentation License
Added texi2md to the documentation in accordance with the GFDL
Cleaned up the README file
README.md: added descriptions of the type system