updated OSLOM2 program call so that the Infomap program gets used by OSLOM2
updated OSLOM2 program call so that the Infomap program gets used by OSLOM2

sbarakat/graph-partitioning,sbarakat/graph-partitioning,sbarakat/graph-partitioning,sbarakat/graph-partitioning,sbarakat/graph-partitioning,sbarakat/graph-partitioning