[gnome-todo] (17 commits) Non-fast-forward update to branch wip/gbsneto/todoist-plugin

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'wip/gbsneto/todoist-plugin' 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:

  25ff740... todoist: stub out plugin

Commits added to the branch:

  a9cadc4... Updated POTFILES.in (*)
  410472b... Updated LINGUAS (*)
  21c4574... panel: remove unused header (*)
  aa2aded... More documentation fixes (*)
  5e7e0ac... build: fix automake files (*)
  acc717f... Bump 3.19.4 release (*)
  349c8e3... build: bump dependencies versions (*)
  f7eb744... Fix plugin includes (*)
  2490177... Add pkgconfig file for external plugins (*)
  2860416... Misc plugin installation cleanup (*)
  6940eb9... Install plugins to libdir (*)
  1d322dc... Don't use glib-gettext (*)
  1dd41b9... Bump gtk version requirement (*)
  100b11b... Add editorconfig (*)
  1cd9385... fixup! Don't use glib-gettext (*)
  a18968b... gitignore: revert to a usable state (*)
  20fe494... todoist: stub out plugin

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