Updated doc/quickstart.rst - Part 1
Updated doc/quickstart.rst - Part 1

Part 1

Change-Id: Idf3d45a5a5d9da731e986765ee0376288a60254f
Closes-Bug:1545926

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