Removed superfluous println in the SudokuHelper
Merge pull request #92 from tmsklr/dev/sudokuprintln

Removed superfluous println in the SudokuHelper
NodeProvisionerActor expects now a proper NodeReady message and not a
String; caused the distributed version to hang.
Merge pull request #93 from tmsklr/dev/nodereadymsg

NodeProvisionerActor expects now a proper NodeReady message and not a String
Adapted local job submitter for continuous performance eval
prevent errors when trying to copy the a file at the same place
Fixed bug in graph splitter.

Vertices with no outgoing edges were missing from split files.
Merging changes from master.