The only difference with upstream is that we keep std::malloc() as
malloc() to avoid issues with gnulib that sometimes redefine malloc to
rpl_malloc with a macro without defining std::rpl_malloc.
* spot/priv/robin_hood.hh, debian/copyright: Update.
* spot/priv/Makefile.am (update): Rename std::malloc to malloc.
* spot/priv/enumflags.hh: Delete.
* spot/priv/Makefile.am, debian/copyright: Adjust.
* spot/twaalgos/remfin.cc: Replace the complex enum
definition by a plain enum that is almost not used.
* spot/twaalgos/remfin.cc: Refactore remove_fin implementation. Enable
filtering of strategies used for fin removing.
* spot/priv/enumflags.hh: Add support for enum flags from brick-types.
* spot/priv/Makefile.am: Add enumflags.hh to make.
* debian/copyright: Update copyright with bricks library license.
* elisp/hoa-mode.el, elisp/Makefile.am, elisp/README: New files.
* debian/copyright, configure.ac, README, Makefile.am: Adjust.
* doc/org/init.el.in: Adjust to load hoa-mode.el.
* doc/org/spot.css: Add entries for HOA mode.
* doc/org/hoa.org, doc/org/ltldo.org, doc/org/oaut.org,
doc/org/tut20.org, doc/org/tut21.org, doc/org/tut22.org,
doc/org/tut30.org: Make the HOA outputs as HOA.
* doc/org/install.org: New file.
* doc/Makefile.am: Add it.
* doc/org/index.org: Link to it.
* doc/org/setup.org: Add macro for
various version numbers.
* doc/org/tools.org: Update version number.
* NEWS, README, bench/ltl2tgba/README, debian/control,
debian/copyright: Update URLs to website.