Squashed 'elasticluster/providers/ansible-playbooks/' changes from 58c1f1d..a5ab13f

a5ab13f Merge commit 'b1e8f278f554a4255d31d4fcf13e7537d7310d5a' as 'openstack_modules'
b1e8f27 Squashed 'openstack_modules/' content from commit 7f08c12
5e37edf Remove submodule openstack_modules

git-subtree-dir: elasticluster/providers/ansible-playbooks
git-subtree-split: a5ab13f89cab61910ac9052c9a38fab86b618756
Merge commit '28e1a98b6e5150c6c75cc0d3af930c117f66ef09'