Merge commit 'c1cafb56' into poc-9

tests/files/BasicTests/genesishashestest.json

tests/files/BlockTests/bcBlockChainTest.json

tests/files/BlockchainTests/basicBlockChain.json

tests/files/PoWTests/ethash_tests.json

tests/files/StateTests/stInitCodeTest.json

tests/files/StateTests/stRefundTest.json

tests/files/StateTests/stSystemOperationsTest.json

tests/files/StateTests/stTransactionTest.json

tests/files/VMTests/RandomTests/randomTest.json

tests/files/VMTests/vmArithmeticTest.json

tests/files/VMTests/vmIOandFlowOperationsTest.json