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 :)
Merge branch 'master' into protocol_update