[pygobject] (9 commits) Non-fast-forward update to branch gio-liststore-sort

[Christoph Reiter <creiter src gnome org>]

The branch 'gio-liststore-sort' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  dbb0f9c... Add overrides for Gio.ListStore.sort and Gio.ListStore.inse

Commits added to the branch:

  a1bb7bf... tests: support builddir != srcdir (*)
  6c815eb... Add meson build definitions (*)
  a80873e... docker script: make them work with active selinux (fedora) (*)
  a15a793... setup.py: fix distcheck (*)
  2273b75... tests/regressextra.h: export new cairo tests API (*)
  dd677c0... meson.build: require python installation (*)
  ed5480e... meson.build: align version requirements on setup.py (*)
  00779bb... meson.build: disable constness warnings (*)
  d0bfb29... Add overrides for Gio.ListStore.sort and Gio.ListStore.inse

(*) This commit already existed in another branch; no separate mail sent