Refresh the code from POC1 for CUST1. Main changes is that the Partitioner is no longer implemented by DimensionsComputation.
Merge branch 'dt-0.9.4' of github.com:DataTorrent/Malhar into dt-0.9.4

Conflicts:
	library/src/main/java/com/datatorrent/lib/statistics/DimensionsComputation.java