Lookup version from openvox group namespace

When running in dev via leiningen, this could look up the version from
just "puppetdb", but in the uberjar it needs to lookup the full artifact
name so it was returning "".

Fixes #183

Author: austb

src/puppetlabs/puppetdb/meta/version.clj

@@ -11,4 +11,4 @@
   "Get the version number of this PuppetDB installation."
   []
   {:post [(string? %)]}
-  (version/get-version "puppetlabs" "puppetdb"))
+  (version/get-version "org.openvoxproject" "puppetdb"))