Merge pull request #312 from mancdaz/sprint

move keepalived/shared_address attribute into role
Auto Updating keepalived submodule
Auto Updating keystone submodule
Auto Updating osops-utils submodule
Auto Updating swift submodule
Auto Updating horizon submodule
Auto Updating graphite submodule
Auto Updating collectd-graphite submodule
Auto Updating hardware submodule
Auto Updating apache2 submodule
Auto Updating erlang submodule
Auto Updating postgresql submodule
Auto Updating erlang submodule
Auto Updating ntp submodule
Auto Updating exerstack submodule
Auto Updating nova submodule
Auto Updating haproxy submodule
Auto Updating nova submodule
Auto Updating nova submodule
Auto Updating nova-network submodule