Fix bug in commit_store get_batch_by_transaction#176

vaporos merged 2 commits intohyperledger-archives:mainhyperledger-archives/sawtooth-lib:mainfrom

suchapalaver:fix/fix-bug-in-commit-store-get-batch-by-transaction-methodsuchapalaver/sawtooth-lib:fix/fix-bug-in-commit-store-get-batch-by-transaction-methodCopy head branch name to clipboard