move up to latest ceph-tools versions
	move to (latency, bw, utiliztion[]) return
	lay foundation for CPU cost of FS operations
recent enhancements
	get all test parameters from dicts
	add DLM simulation
recent enhancements
	add DLM simulation
	new parameters for write width, memory processing costs
	corrected understanding of read and write protocols
	smarter computation of available NIC bw
	smarter recognition of limiting resources
	add testing of random and sequential server throughput