Update the home-page info with the developer documentation
Update the home-page info with the developer documentation

Since there are so many components in openstack, 
by describing the URL info in the configuration file, 
it is more convenient to find the developer documentation 
than from the unified portal

Change-Id: I856bf8381bf41d7259b5dcc6d83d2d9a2b019f1a

yanyao/openstack-ansible,robb-romans/openstack-ansible,yanyao/newton,cfarquhar/openstack-ansible,openstack/openstack-ansible,weezer/openstack-ansible,BjoernT/openstack-ansible,openstack/openstack-ansible,weezer/openstack-ansible,BjoernT/openstack-ansible,cfarquhar/openstack-ansible,Logan2211/openstack-ansible,robb-romans/openstack-ansible,cloudnull/os-ansible-deployment,Logan2211/openstack-ansible,os-cloud/os-ansible-deployment,BjoernT/os-ansible-deployment,yanyao/newton,stackforge/os-ansible-deployment,bunchc/openstack-ansible,BjoernT/os-ansible-deployment,os-cloud/os-ansible-deployment,yanyao/openstack-ansible,bunchc/openstack-ansible,stackforge/os-ansible-deployment,cloudnull/os-ansible-deployment,BjoernT/os-ansible-deployment