added the new relaxed greedy placement algorithm by Jennie
Merge branch 'composite-partitioning' of ssh://github.com/marcoserafini/h-store into composite-partitioning
fix in the TransactionRTStats
Merge remote branch 'marco/composite-partitioning' into composite-partitioning

Conflicts:
	src/frontend/org/qcri/PartitioningPlanner/Controller.java