Fix the wiki page link for Kolla
Fix the wiki page link for Kolla

Actually Kolla launchpad link is attached to Kolla which is not
relevant. So it is replaced with wiki page of Kolla

Change-Id: I250ac49610ec25bcd871aae26abe1a9a8e77739d
Closes-Bug: #1488205

tonyli71/kolla,openstack/kolla,mandre/kolla,nihilifer/kolla,coolsvap/kolla,rajalokan/kolla,coolsvap/kolla,stackforge/kolla,rahulunair/kolla,nihilifer/kolla,stackforge/kolla,openstack/kolla,chenzhiwei/kolla,tonyli71/kolla,coolsvap/kolla,dardelean/kolla-ansible,GalenMa/kolla,mandre/kolla,toby82/kolla,rajalokan/kolla,mandre/kolla,toby82/kolla,mrangana/kolla,fdumpling/kolla,rahulunair/kolla,dardelean/kolla-ansible,intel-onp/kolla,dardelean/kolla-ansible,stackforge/kolla,intel-onp/kolla,negronjl/kolla,negronjl/kolla,chenzhiwei/kolla,rajalokan/kolla,chenzhiwei/kolla,limamauricio/mykolla,mrangana/kolla,negronjl/kolla,limamauricio/mykolla,GalenMa/kolla,fdumpling/kolla,limamauricio/mykolla,fdumpling/kolla,toby82/kolla