GitLab

* doc/org/dstar2tgba.org: New file.
* doc/org/tools.org: Link to it.
* doc/Makefile.am: Distribute it.
* NEWS: Mention the generated web page.

* doc/org/init.el.in, doc/org/syntax.css: New files.
* configure.ac: Generate init.el from init.el.in, and check for
emacs.
* doc/Makefile.am: Build userdoc/ from org/ and distribute userdoc/.
* README: Mention org/ and userdoc/.

* doc/org/.gitignore, doc/org/genltl.org, doc/org/ioltl.org,
doc/org/ltl2tgba.org, doc/org/ltl2tgta.org, doc/org/ltlcross.org,
doc/org/ltlfilt.org, doc/org/randltl.org, doc/org/tools.org: New files.