Fix rst syntax in the list of images provided by Kolla
Fix rst syntax in the list of images provided by Kolla

Manila is written with wrong syntax.

DocImpact

Change-Id: I672e9e0f7f8def523b2a18c8271984f0118bba28

mrangana/kolla,intel-onp/kolla,negronjl/kolla,intel-onp/kolla,openstack/kolla,dardelean/kolla-ansible,mandre/kolla,tonyli71/kolla,GalenMa/kolla,nihilifer/kolla,tonyli71/kolla,toby82/kolla,mrangana/kolla,mandre/kolla,negronjl/kolla,openstack/kolla,dardelean/kolla-ansible,coolsvap/kolla,dardelean/kolla-ansible,rahulunair/kolla,nihilifer/kolla,stackforge/kolla,toby82/kolla,mandre/kolla,GalenMa/kolla,stackforge/kolla,rahulunair/kolla,negronjl/kolla,coolsvap/kolla,stackforge/kolla,coolsvap/kolla,toby82/kolla