Tower OpenShift Install

[Tompage1994]

We want to be able to install Tower on OpenShift in the same way we can install Tower normally.

A tower_install_ocp (or similar) role should be created which follows the same pattern of tower_install

[ericzolf]

A looooong time ago, I did something like this, but never pushed it to the end, perhaps it helps someone to start with:
redhat-cop/automate-tower#9