Update submodules
Merge pull request #766 from claco/v4.2.2rc

Update submodules
Update submodules
Merge pull request #767 from claco/v4.2.2rc

Update submodules
Update submodules
Merge pull request #768 from claco/v4.2.2rc

Update submodules
Update submodules
Merge pull request #769 from claco/v4.2.2rc

Update submodules
Update submodule
Merge pull request #770 from claco/v4.2.2rc

Update submodule
update submodules
Merge pull request #776 from claco/v4.2.2rc

update submodules
Update submodule
Merge pull request #777 from claco/v4.2.2rc

Update submodule
Update submodule
Merge pull request #782 from claco/v4.2.2rc

Update submodule
Update submodules
Merge pull request #784 from claco/v4.2.2rc

Update submodules
Updated openstack-logging submodule
Merge pull request #787 from rackerjoe/v4.2.2rc

Updated openstack-logging submodule