[gnome-shell] (6 commits) Non-fast-forward update to branch wip/mcrha/issue1875

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'wip/mcrha/issue1875' 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:

  f35b23c... calendar-server: Replace tabs with spaces
  a2b429a... calendar-server: Add missing spaces
  5b0ad77... calendar-server: Drop separate private struct
  72b99c4... calendar-server: Improve performance by properly using ECal

Commits added to the branch:

  772df91... shell/global: Add 'backend' property (*)
  c3646a7... js/main: Inhibit remote access when depending on session mo (*)
  131f079... calendar-server: Replace tabs with spaces
  6df23c7... calendar-server: Add missing spaces
  64dab08... calendar-server: Drop separate private struct
  be2f467... calendar-server: Improve performance by properly using ECal

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