Updated openstack/openstack
Project: openstack/horizon  6f2c431130d2dc0ff0f4f7c30a9588e9a2606e5c

Improve tabs styling

Improve the styling of navigation tabs to match the wireframes at
http://people.redhat.com/~jcoufal/openstack/horizon/details/2014-02-19_details.pdf

Partially implements: blueprint detail-pages-ia

Change-Id: I425e74361ba231403d72627c06c29c311959f152