2.0.1: Corrected some default param values

• Fix to improve the quality score on puppetforge.
• Fixes to templates: some config settings are optional.
• Changed default group to 'neo4j'. Not all neo4j packages comply (yet).

2.0.0

rspec-puppet and test kitchen
complete parameter list according version 3.2.0 of neo4j

1.1.0

Release targeted at 2.x neo4j users.