Neutron

This PR is depend on the PR #9 on jiocloud-contrail.

* Increased memory for contrail vagrant node
* Added contrail controller
* Added neutron





@sorenh FYI

I want to make sure that everyone is on the same page about running this version of python. I would love to see more context about why we are going to do this, if there is a ticket number, and if it is a temporary of permanent measure