add links to launchpad and gerrit to README
add links to launchpad and gerrit to README

Change-Id: I3f7a99baf810891484658de3f07a0635efd49c7b
Closes-Bug: #1400820

stevelle/os-ansible-deployment,mrda/openstack-ansible,cfarquhar/openstack-ansible,open-switch/infra_openstack-ansible,shane-c/openstack-ansible,stevelle/os-ansible-deployment,mrda/openstack-ansible,sigmavirus24/openstack-ansible,mancdaz/openstack-ansible,yanyao/newton,mrda/openstack-ansible,metral/os-ansible-deployment,BjoernT/os-ansible-deployment,yanyao/openstack-deployment,BjoernT/os-ansible-deployment,openstack/openstack-ansible,wenhuizhang/os-ansible-deployment,antonym/openstack-ansible,open-switch/infra_openstack-ansible,AlphaStaxLLC/os-ansible-deployment,achekunov/openstack-ansible,yanyao/openstack-ansible,major/openstack-ansible,antonym/openstack-ansible,git-harry/os-ansible-deployment,sti-jans/openstack-ansible,pombredanne/os-ansible-deployment,git-harry/os-ansible-deployment,major/os-ansible-deployment,sti-jans/openstack-ansible,Logan2211/openstack-ansible,BjoernT/openstack-ansible,yanyao/openstack-ansible,git-harry/os-ansible-deployment,os-cloud/os-ansible-deployment,shane-c/openstack-ansible,major/os-ansible-deployment,BjoernT/os-ansible-deployment,pombredanne/os-ansible-deployment,manuelfelipe/openstack-ansible,yanyao/openstack-deployment,metral/os-ansible-deployment,dhanunjaya/os-ansible-deployment,sti-jans/openstack-ansible,major/openstack-ansible,bunchc/openstack-ansible,manuelfelipe/openstack-ansible,yanyao/openstack-deployment,stevelle/openstack-ansible,shane-c/openstack-ansible,sacharya/os-ansible-deployment,jpmontez/os-ansible-deployment,achekunov/openstack-ansible,miguelgrinberg/os-ansible-deployment,d34dh0r53/os-ansible-deployment,AlphaStaxLLC/os-ansible-deployment,sigmavirus24/os-ansible-deployment,d34dh0r53/os-ansible-deployment,yanyao/openstack-deployment-liberty,yanyao/newton,dhanunjaya/os-ansible-deployment,antonym/openstack-ansible,jpmontez/openstack-ansible,cloudnull/os-ansible-deployment,robb-romans/openstack-ansible,robb-romans/openstack-ansible,stackforge/os-ansible-deployment,weezer/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,stevelle/openstack-ansible,cloudnull/os-ansible-deployment,mancdaz/openstack-ansible,jpmontez/openstack-ansible,pombredanne/os-ansible-deployment,Logan2211/openstack-ansible,yanyao/openstack-deployment-liberty,sacharya/os-ansible-deployment,VaneCloud/openstack-ansible,sigmavirus24/openstack-ansible,os-cloud/os-ansible-deployment,yanyao/openstack-deployment,jpmontez/openstack-ansible,jpmontez/os-ansible-deployment,manuelfelipe/openstack-ansible,open-switch/infra_openstack-ansible,VaneCloud/openstack-ansible,bunchc/openstack-ansible,jpmontez/os-ansible-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment-liberty,wenhuizhang/os-ansible-deployment,cfarquhar/openstack-ansible,BjoernT/openstack-ansible,sigmavirus24/os-ansible-deployment,openstack/openstack-ansible,stackforge/os-ansible-deployment,achekunov/openstack-ansible,miguelgrinberg/os-ansible-deployment,weezer/openstack-ansible