[gtk] (3 commits) Non-fast-forward update to branch clipboard-test

[Matthias Clasen <matthiasc src gnome org>]

The branch 'clipboard-test' 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:

  177a035... Add more clipboard tests

Commits added to the branch:

  f37662c... x11: Try harder to find the right monitor (*)
  82f8fc3... Merge branch 'fix-panel-monitor' into 'master' (*)
  8cafc6a... Add more clipboard tests

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