[metacity] (3 commits) Non-fast-forward update to branch wip/muktupavels/issue-21

[Alberts Muktupāvels <muktupavels src gnome org>]

The branch 'wip/muktupavels/issue-21' 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:

  6a9a9ac... main: use g_unix_signal_add to add signal handler
  39cf903... main: add SIGINT handler
  a2a922c... main: use correct timestamp when closing display

Commits added to the branch:

  8dfb631... main: use g_unix_signal_add to add signal handler
  df44cd1... main: add SIGINT handler
  de8ecbc... main: use correct timestamp when closing display