RHV provider BYO code (#548)

* Add ssh keys to ovirt VM template

* Adjusted role path

* Adding .example to list of ignored inventory files

* Fixed ssh-key placement

* instance group and install code for OCP

* Added info about certs and qcow to README

* Not a Vsphere

* Added load balancer to instance groups

* Added check for installing local satellite katello rpm

* Reorganized variables

* Formatting

* Playbook to output DNS entries in nsupdate format

* Hosts commented out for publishing

* Added variables file for user edit

* Moved variables around for centralized management by user

* Updated documentation

* Formatting

* Renaming to match style of repo

* Changing underscores to dashes for style

* Updated naming convention to match rest of repo

* Updated naming convention to match rest of repo

* Fixed link

* Resolving Lint issues