[geary] (5 commits) Non-fast-forward update to branch gnumdk/tls_deprecated

[Cédric Bellegarde <cbellegarde src gnome org>]

The branch 'gnumdk/tls_deprecated' 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:

  1eeae2a... engine: TlsCertificateFlags.VALIDATE_ALL is the default val

Commits added to the branch:

  00a37dd... Update Occitan translation (*)
  273b126... Update German translation (*)
  b3c0afd... icons: Update icons to match recent Adwaita (*)
  a2e59b9... engine: Vala disallows using nullabe enum value as real GOb (*)
  29fd387... engine: TlsCertificateFlags.VALIDATE_ALL is the default val

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