Fixed path of data directories, switched positions of dataDir and public

Path should be "/data/<public>" and not "/<public>/data" at least
according to caller which executes the scripts with arguments "<dataDir> <public>"
and not the other way round.
Merge pull request #6 from cburkert/path_fix

Fixed path of data directories, switched positions of dataDir and public, Thanks cburkert :)
Added link to documentation
Issue 7: Adds the default redis port to the config

Closes #7
Merge pull request #8 from jasinai/ISSUE_07-redisPortMissingInConfig

Issue 7: Adds the default redis port to the config
Remove node from dependencies

Already a dependency of npm and the package is called nodejs