adding first version of MongoDB persistence
adding first version of MongoDB persistence (fix parent pom)
Merge branch 'master' into persist-mongodb
Allowed configuration parameter 0.
fixing MongoDB persistence
Merge pull request #993 from cdjackson/zwave-cfg-bug

Allow configuration parameter 0.
Merge pull request #989 from taimos/persist-mongodb

adding first version of MongoDB persistence - thanks Thorsten for this contribution