migration from Raft to BFT: README file - updates #127

Job	Run time
Basic Checks	3m 10s
Unit Tests	5m 48s
Integration Tests (raft)	11m 28s
Integration Tests (pvtdata)	10m 27s
Integration Tests (pvtdatapurge)	5m 10s
Integration Tests (ledger)	12m 25s
Integration Tests (lifecycle)	4m 16s
Integration Tests (e2e smartbft)	19m 40s
Integration Tests (discovery gossip devmode pluggable)	5m 23s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	16m 21s
Integration Tests (sbe nwo msp)	6m 47s
	1h 40m 55s

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