add libdatadir to build.

tpl-config.tlib needs to be installed in a target plaatform directory.
Thus, we put it into nodist_libdata_DATA.  This is phase 1.

* autoopts/bootstrap.dir: do so
* autoopts/init.c: remove ao_ver_string
* autoopts/mk-tpl-config.sh: generate ao_ver_string
* autoopts/install-hook.sh: After sedding tpl-config.tlib in place,
  copy it to $DESTlibdatadir
Finish adding libdatadir to build.

tpl-config.tlib needs to be installed in a target plaatform directory.
Thus, we put it into nodist_libdata_DATA.

* */Makefile.am: renameing of GUILE macros due to guile.m4
* config/bootstrap.local: install pkg.m4, too
* config/misc.def: remove Guile macros in favor of guile.m4, but also
  add code to compute the full Guile micro version.  Not provided by Guile.
use libdatadir for finding templates

Now that it has been added, it is also useful to use it.

* agen5/agInit.c (prep_env): add LIBDATADIR to end of search list
* autoopts/Makefile.am (install-data-hook): add DESTlibdatadir to
  install-hook environment
* autoopts/install-hook.sh: copy tpl-config.tlib to this directory.
bump minor version