Added version_puppetdb param

puppetdb_terminus version is not related to puppet server package version

Change-Id: Ib395693cfedb055b32b29ec54377763dba204657
Fix typo; Use version_puppetdb_terminus parameter
Merge pull request #60 from hdeheer/master

Added version_puppetdb param
Merge branch 'master' of https://github.com/example42/puppet-puppet