[gnome-builder] (3 commits) Non-fast-forward update to branch wip/chergert/shellcmd

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/shellcmd' 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:

  2fa60c4... shellcmd: add command editing to preferences

Commits added to the branch:

  404ddcd... gui: set title for preferences window (*)
  e9de03f... shellcmd: allow shell expansion from commands (*)
  ad92f84... shellcmd: add command editing to preferences

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