[gimp/wip/schumaml/gitlab-ci] (15 commits) ...build: .gitlab-ci.yml: add at-spi2-atk to get the a11y service running

[Michael Schumacher <schumaml src gnome org>]

Summary of changes:

  618fbc6... plug-ins: clean up the file-dds GUI, remove the "Advanced"  (*)
  8e80916... plug-ins: port file-dds to GtkGrid (*)
  b9b8879... plug-ins: some GTK3 undeprecation in imagemap (*)
  5d2dbfe... app: gdk_threads_(enter|leave)() deprecated since GDK 3.6. (*)
  e0a24a2... plug-ins: babl_init|exit() needs to be run for "file-pdf-lo (*)
  f4b88c0... plug-ins: link file-pdf against GEGL/babl (*)
  443c171... plug-ins: babl_init|exit() for non-interactive "file-pdf-lo (*)
  ef3c13c... plug-ins: use global gegl_init() in file-pdf-load run() fun (*)
  6bb03dc... plug-ins: revive animation-play, and draw stuff with cairo (*)
  e73a1aa... Added .gitlab-ci.yml from GEGL as a startin point for GitLa
  e515bb3... build: modified .gitlab-ci.yml to include a gimp build
  9a43095... build: .gitlab-ci.yml: keep app/tests/*.log as artifacts wh
  b885839... build: modified .gitlab-ci.yml to include a gimp build
  6323c8d... build: .gitlab-ci.yml: adjust artifacts
  c677522... build: .gitlab-ci.yml: add at-spi2-atk to get the a11y serv

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