Initial Rhv ansible (#393)

* Initial README for RHV work

* Basic ansible set up

* gdeployer role for putting gluster on hypervisors

* Fixed missing indentation

* Added requirements based on Ansible oVirt module

* Removing redundant fact gathering

* Fixed ssh configuration

* Created in wrong directory

* Updated requirements for current version of ovirt_vms Ansible module

* Added key value pairs to get sharding and default uid/gid

* Added tasks to pre-populate ssh keys from cluster on head node

* Removed trailing space