[totem] (16 commits) ...build: Remove vala option

[Bastien Nocera <hadess src gnome org>]

Summary of changes:

  a46aa61... backend: Put stream buffers in a separate directory (*)
  d63ff0f... main: Remove "exit thread" work-around (*)
  d35ad9a... main: Remove unused math.h include (*)
  a4c99c6... brasero-disc-recorder: Remove X11 window parenting (*)
  8668fe8... backend: Remove X11 dependency (*)
  6e55d1a... build: Fix build with missing plugins support disabled (*)
  4a51288... flatpak: Fix missing plugins option value (*)
  d134c9d... ci: Update from Flatpak manifest (*)
  59661fa... flatpak: Add comment about keeping CI in sync (*)
  8650ad9... flatpak: Fix a grilo-plugins option name (*)
  51d6e05... zeitgeist-dp: Remove zeitgeist provider (*)
  9520adf... sample-vala: Remove sample-vala plugin (*)
  798953d... save-file: Remove nautilus-extension dependency (*)
  8c94312... save-file: Remove unused gdkx.h include (*)
  c3d8fae... rotation: Port plugin to C (*)
  627c1ee... build: Remove vala option (*)

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