Merge topic 'group-item-cleanup' into release

ea6185e0 qtGroupItem should clean up its children.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Bob Obara <bob.obara@kitware.com>
Merge-request: !1581
3 jobs for release (queued for 80 minutes and 28 seconds)
Status Job ID Name Coverage
  External
pending smtk@release-junction-osx-shared-release+remus
failed smtk@release-moho-linux-shared-relwithdebinfo+remus

00:00:06

running smtk@release-praxis-windows-shared-release

4448:16:57