Updated rsyslog config template

Forwarding puppet-3.4 "puppet-user" log messages into puppet-aply.log remote logfile (instead of puppet-user.log) for compatibility.
Puppet 3.4 upgrade related fixes

- forwarded puppet error messages to puppet-apply.log remote log
- added creation of empty config files for Hiera to avoid
  unneccessary error messages during puppet run
Updated cobbler snippets for puppet configuration