[puppet] Fixes in rpmcache module.
[puppet] Add rpmcache support to osnailyfacter.
[iso] Copy rpmcache module to puppet-master.
[puppet] Fix manifest for rpmcache.
[puppet] Install and run MC agent on master node.
[puppet] Fix manifests for MC server on master node.
[puppet] Fix issues with rpmcache module. Add logging for puppet agent.