BZ #1109311 - Re-add openstack-selinux to deployment

https://bugzilla.redhat.com/show_bug.cgi?id=1109311

Openstack-selinux will be used in RHEL 7 after all.
expose ipmilan lanplus options to end user
Merge pull request #267 from jguiditta/bz1109311_os_selinux

BZ #1109311 - Re-add openstack-selinux to deployment
rm lsb- prefix in pacemaker constraint refs
Merge pull request #274 from cwolferh/pcmk_resource_remove_lsb_prefix

rm lsb- prefix in pacemaker constraint refs
Merge pull request #270 from cwolferh/lanplus_options_exposed

expose ipmilan lanplus options to end user
remove group option from cloned pcmk resources
Provides a script to push values to Foreman

Using the ForemanAPI and YAML based parameters and hostgroups values
can be automatically updated.

Ultimately this could be use to separate parameters and hostgroups
data from code.
Merge pull request #266 from gildub/default+parameters+ForemanAPI

Separated parameters and hostgroups data from code
BZ #1110504 - nfs-utils missing, cinder can't mount nfs share

https://bugzilla.redhat.com/show_bug.cgi?id=1110504

Ensure nfs-utils is installed when Cinder is using NFS backend.
Ensure Cinder enabled_backends is empty when it should

When switching from `multiple_backends = true` to `multiple_backends =
false`, the `enabled_backends` option in cinder.conf wouldn't get
cleared, and Cinder would still attempt to use multiple backends. This
is now fixed.
Merge pull request #277 from jistr/nfs_utils

nfs-utils installed for cinder, multi -> single backend transition fix
Merge pull request #275 from cwolferh/pcmk_rm_group_from_cloned_resources

remove group option from cloned pcmk resources