Improvement in Opendaylight doc
Improvement in Opendaylight doc

kolla-build build images, not container and along
with this updated the underline of the headings

Change-Id: I347a9f0a928734ca57d2dca753a0ecd1d35d22af

rahulunair/kolla,stackforge/kolla,stackforge/kolla,rahulunair/kolla,openstack/kolla,nihilifer/kolla,nihilifer/kolla,openstack/kolla,stackforge/kolla