Merge commit '0867e4fa' into poc-9

tests/files/StateTests/stBlockHashTest.json

tests/files/StateTests/stExample.json

tests/files/StateTests/stInitCodeTest.json

tests/files/StateTests/stLogTests.json

tests/files/StateTests/stMemoryStressTest.json

tests/files/StateTests/stMemoryTest.json

tests/files/StateTests/stPreCompiledContracts.json

tests/files/StateTests/stRecursiveCreate.json

tests/files/StateTests/stRefundTest.json

tests/files/StateTests/stSolidityTest.json

tests/files/StateTests/stSpecialTest.json

tests/files/StateTests/stSystemOperationsTest.json

tests/files/StateTests/stTransactionTest.json

tests/files/TrieTests/hex_encoded_securetrie_test.json