This change integrates a run statement for running Pregelix jobs into the AQL.

Therefore it also provides a new FlushOperator to flush all memory components of a dataset to disc.

Change-Id: I1f97cfdc79943abf035a7342bb777d59af6518e9
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/193
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Young-Seok Kim <kisskys@gmail.com>
24 files changed