Ensure that Avahi services are running

Ensure that Avahi services are running in openshift_origin::plugins::dns::avahi
the same way that they were in openshift_origin::avahi.
Merge pull request #245 from detiber/fixCgroups

Fix cgroups pam config
Merge pull request #244 from charlessimpson/ensure-avahi-running

Ensure that Avahi services are running
Removed priority setting from EPEL repo
Merge pull request #247 from nhr/epel_repo_fix

Removed priority setting from EPEL repo
Revved module number for recent fixes
Merge pull request #249 from nhr/module_rev

Revved module number for recent fixes
Some dir ensure / file security checks
Change file owner per feedback
Merge pull request #251 from nhr/file_handling_updates

Some dir ensure / file security checks
Changed group for activemq config files
Merge pull request #252 from nhr/file_handling_updates

Changed group for activemq config files
Version bump for file/dir fixes
Merge pull request #253 from nhr/version_bump

Version bump for file/dir fixes
Allow dnssec key algorithm to be specified

Allow dnssec key algorithm to be specified instead of hardcoding HMAC-MD5. The
default value remains HMAC-MD5.
Remove accidental indentation
Choose default dnssec key size from key algorithm
Use dns_infrastructure_key* if present
Empty strings aren't false in Ruby
Set broker hostname environment file