removed many TODOs and converted them into JIRA issues
enabled windows generator, using workloadStartTime as first window start time
used windowStartTime as initialGct
modified Client so it now passes a time-mapped operation stream to WorkloadRunner, meaning WorkloadRunner has no idea about time mapping
add 'control' package with beginnings of necessary classes for distributed control of the driver workers
introduced new configuration parameters for: gctDeltaT, peerIds, timeCompressionRatio, toleratedExecutionDelay
updated default configuration file with new parameters