Show team and repo badges on README
Show team and repo badges on README

This patch adds the team's and repository's badges to the README file.
The motivation behind this is to communicate the project status and
features at first glance.

For more information about this effort, please read this email thread:

http://lists.openstack.org/pipermail/openstack-dev/2016-October/105562.html

To see an example of how this would look like check:

https://gist.github.com/9c58a860190b7421066893b12675b496

Change-Id: Ie6bf3f8a7addf0b070a6447d500b5b61144c3664

Juniper/python-neutronclient,openstack/python-neutronclient,huntxu/python-neutronclient,noironetworks/python-neutronclient,noironetworks/python-neutronclient,Juniper/python-neutronclient,openstack/python-neutronclient,huntxu/python-neutronclient