verify tx are well formed - fixed #54

Job	Run time
Basic Checks	5m 57s
Unit Tests	5m 26s
Integration Tests (raft)	13m 37s
Integration Tests (pvtdata)	31m 50s
Integration Tests (pvtdatapurge)	4m 54s
Integration Tests (ledger)	24m 2s
Integration Tests (lifecycle)	10m 40s
Integration Tests (e2e smartbft)	17m 18s
Integration Tests (discovery gossip devmode pluggable)	7m 53s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	15m 3s
Integration Tests (sbe nwo msp)	8m 20s
	2h 25m 0s

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