Use relative path for zookeeper.node symlink

Change-Id: I1d062db4a58a076eaaf667785968df9342d834a3
Minor cleanup in symlink script

Change-Id: I4ee40ed2532fdbcdf273769bfd187c10dc520b83
Updated version according to package convention

Change-Id: I0184c5e27fcff76757ca9ee2f6f160974a15a665
Merge pull request #91 from devoncrouse/master

Use relative path for zookeeper.node symlink