Based on a report by Simon Jantsch.  Fixes #362.

* NEWS, doc/tl/tl.tex: Mention the new rules.
* spot/tl/unabbrev.cc: Implement them.
* tests/core/unabbrevwm.test: Test them.
* tests/python/randltl.ipynb: Adjust.

* NEWS, configure.ac: Here.

* NEWS, configure.ac, doc/org/setup.org: Bump version number.

* doc/org/index.org: Here.

* spot/misc/game.hh: Here.

Fixes #363.

* spot/tl/exclusive.cc: Fix the prop_copy() call.
* tests/core/exclusive-tgba.test: Test it.
* NEWS: Mention the issue.

Based on a report from Andreas Tollkötter.

* spot/twaalgos/dot.cc (highlight_states_show_num_): New option,
turned on implicitly when more than 8 colors are used.
* tests/core/highlightstate.test: Test it.
* NEWS: Mention it.
* THANKS: Add Andreas.

* debian/source/lintian-overrides, python/.gitignore: Here

* debian/control (Build-Depends): Add dh-python.

* debian/rules: Here.

* debian/rules: Here.

* debian/rules: mathjax is also fetched from cdnjs.cloudflare.com.

* debian/rules: Here.

Reported by Yuri Victorovich.

* configure.ac (enable_doxygen, enable_c++17): Use $enableval instead
of "yes".
* THANKS: Add Yuri.

* spot/kripke/kripkegraph.hh, spot/priv/bddalloc.hh,
spot/priv/freelist.hh, spot/priv/satcommon.hh, spot/ta/taexplicit.cc
spot/twa/bdddict.cc, spot/twa/twagraph.hh,
spot/twaalgos/alternation.hh, spot/twaalgos/dtwasat.cc,
spot/twaalgos/ltl2taa.cc, spot/twaalgos/stutter.cc,
tests/core/ngraph.cc: Add default constructors, copy constructors, or
remove useless destructors.

* python/Makefile.am: Adjust for Automake 1.16.

We now have a separate project for its replacement at
https://gitlab.lrde.epita.fr/spot/spot-web-app/

* python/ajax/: Remove directory.
* python/Makefile.am, configure.ac, README: Adjust.
* NEWS: Mention this.

* doc/org/ltlcross.org: Here.
* doc/org/init.el.in, doc/org/.dir-locals.el.in: Enable R,
and install ess.

Fixes #363.

* spot/tl/exclusive.cc: Fix the prop_copy() call.
* tests/core/exclusive-tgba.test: Test it.
* NEWS: Mention the issue.

Based on a report from Andreas Tollkötter.

* spot/twaalgos/dot.cc (highlight_states_show_num_): New option,
turned on implicitly when more than 8 colors are used.
* tests/core/highlightstate.test: Test it.
* NEWS: Mention it.
* THANKS: Add Andreas.

* debian/source/lintian-overrides, python/.gitignore: Here

* debian/control (Build-Depends): Add dh-python.

* debian/rules: Here.

* debian/rules: Here.

* debian/rules: mathjax is also fetched from cdnjs.cloudflare.com.

* debian/rules: Here.

Reported by Yuri Victorovich.

* configure.ac (enable_doxygen, enable_c++17): Use $enableval instead
of "yes".
* THANKS: Add Yuri.