- Added docker functionality and removed mininet from POC (infrastructure_launch, infrastructure_config)
- Removed policy definition from within odl_gbp and pused to separate policy_config file. Also made necessary
changes to odl_gbp, testOfOverlay to facilitate that and the removal of mininet
- Added helper scripts.

Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>