Added HashPartition script.
Added HashPartition script.

jdellithorpe/RAMCloudUtils,jdellithorpe/RAMCloudTools,ellitron/RAMCloudTools,ellitron/RAMCloudTools,jdellithorpe/RAMCloudUtils,jdellithorpe/RAMCloudTools,jdellithorpe/RAMCloudUtils,ellitron/RAMCloudTools