Updates links to maintained PHP-OpenCloud SDK
Updates links to maintained PHP-OpenCloud SDK

Because the stackforge OpenStack-SDK-PHP was abandoned,
replace with links to an actively maintained SDK for PHP.

Change-Id: I3945348b712824ec26cfb8371f3adeda112e5191

dreamhost/api-site,Tesora/tesora-api-site,dreamhost/api-site,dreamhost/api-site,Tesora/tesora-api-site,openstack/api-site,openstack/api-site,Tesora/tesora-api-site,dreamhost/api-site,Tesora/tesora-api-site,dreamhost/api-site,Tesora/tesora-api-site,openstack/api-site,Tesora/tesora-api-site,dreamhost/api-site,dreamhost/api-site,openstack/api-site,Tesora/tesora-api-site