[gnome-initial-setup] (7 commits) Non-fast-forward update to branch wip/sadiq/assistant-cleanup

[Mohammed Sadiq <pksadiq src gnome org>]

The branch 'wip/sadiq/assistant-cleanup' 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:

  2824b49... assistant: Port to use G_DECLARE_DERIVABLE_TYPE
  eb3e8c6... assistant: Avoid a redundant variable
  7ba565a... assistant: Make it a final class
  4f30de1... assistant: Use pragma once

Commits added to the branch:

  201ab6f... Update Catalan translation (*)
  a215736... common-language: Fix a memory leak (*)
  5123e4a... Merge branch 'wip/sadiq/fix-memory-leak' into 'master' (*)
  69ba9d3... assistant: Port to use G_DECLARE_DERIVABLE_TYPE
  105515e... assistant: Avoid a redundant variable
  b63e154... assistant: Make it a final class
  fade301... assistant: Use pragma once

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