[shotwell] (29 commits) Non-fast-forward update to branch wip/phako/flatpak

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/phako/flatpak' 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:

  706ac52... Initial flatpak support
  cba94bf... Make UDEV optional
  f0a51f1... flatpak: Disable udev
  9e7ec88... Fake udev event
  cb5be76... flatpak: Enable USB cameras
  77eb54c... flatpak: Turn off python for gexiv2
  5d180df... flatpak: Update URLs for gitlab
  a91ebf8... flatpak: change libgdata and exiv2 source
  315addb... flatpak: Improve clean-up

Commits added to the branch:

  8a4e90c... Update README (*)
  7431d97... Update French translation (*)
  6ec03ba... gitlab: Add issue templates (*)
  da54c79... Update INSTALL for ninja (*)
  2848610... A clean-diff of faces branch on top of master (*)
  65e0197... Faces code clean up (*)
  45105a4... FacesTool.vala uses critical() and warning() instead of std (*)
  11419d0... Included error messagem when cannot start the shotwell-face (*)
  53d3708... faces: Minor style fixes (*)
  f25bdf6... faces: Use symbolic icons (*)
  5f0e46c... faces: use ngettext for plural (*)
  b44d9d8... faces: Remove deprecated things (*)
  9b6e62e... Update POTFILES.in and POTFILES.skip (*)
  34c0ee8... Use Unicode in new translatable strings (*)
  b2e0ed9... faces: Remove some translation tags (*)
  80b9417... Update Polish translation (*)
  56285e6... flatpak: Initial support
  35758ac... Make UDEV optional
  798fe03... flatpak: Disable udev
  38e74a8... Fake udev event
  bc19ef1... flatpak: Enable USB cameras
  6596df6... flatpak: Turn off python for gexiv2
  dd9d516... flatpak: Update URLs for gitlab
  713c727... flatpak: change libgdata and exiv2 source
  13bf143... flatpak: Improve clean-up
  16b0427... flatpak: Use specific commit for exiv2
  45684e9... flatpak: Rename icons and desktop file
  b64226f... flatpak: Add flatpakref for nightly
  501613c... flatpak: Temporary fix for turkish translation

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