[gnome-shell] (4 commits) Non-fast-forward update to branch wip/jimmac/fix-submenu-separators

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/jimmac/fix-submenu-separators' 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:

  b7c7ba5... theme: fix submenu separator contrast

Commits added to the branch:

  9bada1f... Update Serbian translation (*)
  41b4c51... unlockDialog: Don't explicitly show prompt (*)
  9eff9ad... theme: Lock screen notification style tweaks (*)
  b78f09d... theme: fix submenu separator contrast

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