Merge pull request #788 from cloudnull/v4.2.2rc

submodule update
Update submodule
Merge pull request #789 from claco/v4.2.2rc

Update submodule
Add roles for metadata
Merge pull request #794 from rackerjoe/v4.2.2rc

Add roles for metadata
Update submodule
Merge pull request #795 from claco/v4.2.2rc

Update submodule
Submodule update
Merge branch 'v4.2.2rc' of https://github.com/rcbops/chef-cookbooks into v4.2.2rc
Merge pull request #796 from rackerjoe/v4.2.2rc

Submodule Update
Update nova submodule
Merge pull request #806 from claco/v4.2.2rc

Update nova submodule
Update kong/temptest submodules
Merge pull request #811 from claco/v4.2.2rc

Update kong/temptest submodules
Merge pull request #818 from cloudnull/v4.2.2rc

updated submodule for osops-utils
Merge pull request #819 from cloudnull/v4.2.2rc

updated submodules
Merge pull request #820 from cloudnull/v4.2.2rc

updated submodule
Update keystone/osops-utils submodules
Merge pull request #822 from claco/v4.2.2rc

Update keystone/osops-utils submodules
udpated the base role for recipe nf_conntrack_max