Enables the use of Fedora for OpenShift-Ansible

Some enhancements to enable the use of Fedora. Some mild refactoring

Uses the existing handler scheme for Atomic vs. CentOS to add Fedora
- In particular, breaks out CentOS vs Fedora deps, and then uses a common docker install play
Includes a "python bootstrap" method for installing Python on Fedora cloud images
Adds Fedora examples
Includes a README blurb on using Fedora
Add a default variable in the bootstrap role to default to CentOS

redhat-nfvpe / base-infra-bootstrap