BZ1164190 - networks/port should not be defined in yaml file
BZ1161777 - OpenShift Heat Templates don't demonstrate how to...

* OpenShift Heat Templates don't demonstrate how to setup satellite for
  use with DIB.
* Update README with current version info as well as satellite related
  info.
Updating hard coded OSE version to read environment variable.
Use diskimage-builder package. Removed --skip-broken
Update README references to installed diskimage-builder package
Fixed typo in allowed values
BZ1167792 - rh_reg_pool should be a property of node1..3

- Added rh_reg_pool param to node instances