cleaning up galera manifests: docs and obsolete code
a more meaningful names of  services
remove unnided files
fix gramma
move corosync to own stage
remove unneded dependency '/root/openrc'

+ change stage for operatingsystem::checksupported
virtual_ip  under corosync/pacemaker
reformat
remove unneeded interface-up lines. Interfaces puts to UP state at netconfig stage
remove already commented lines. We do not use keepalived
haproxy under corosync/pacemaker

also:
* move pacemaker setup to cluster init.pp
* move net.ipv4.ip_nonlocal_bind to cluster-config
remove very-very-very-old puppet workarround
reformat
todo
add haproxy and VIP over corosync/pacemaker to compact and full confs
Merge pull request #294 from xenolog/cs_stage1__PR2

Virtual IP and Haproxy now managements by corosync/pacemaker
Change for network version
Merge branch 'master' of github.com:Mirantis/fuel