Add proxy_pass parameter
Merge pull request #193 from oxilion/proxy_pass

Add proxy_pass parameter
fix variable for latest puppet version
Minor tweak to set this to false as it's a replaced parameter.
Merge pull request #209 from apenney/vdirpurgefix

Minor tweak to set this to false as it's a replaced parameter.
Merge pull request #208 from pronix/master

fix variables for latest puppet