[rhythmbox] (7 commits) Non-fast-forward update to branch wip/sam/meson

[Sam Thursfield <sthursfield src gnome org>]

The branch 'wip/sam/meson' 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:

  1069879... configure.ac: Remove unused variables
  889f02c... Remove marshallers
  8d8fbc4... Work in progress: add Meson build instructions

Commits added to the branch:

  7c77141... Remove marshallers (*)
  213304d... Updated Portuguese translation (*)
  7745b91... Updated Spanish translation (*)
  32f5ee6... Updated Czech translation (*)
  1c9a447... Remove some unused stuff from Autotools build instructions
  4b6ad07... Work in progress: add Meson build instructions
  cf5fdf3... More Meson work in progress

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