message: Log the error message when pushing to hyperledger fails
diff: @@ -11,7 +11,7 @@ Change.prototype._makeCommit = async function(commitOpts) {
  try {
  await gitchain.push(commit.sha());
  } catch (e) {
  - log.error("Error pushing to hyperledger blockchain");
  + log.error("Error pushing to hyperledger blockchain: ${e} - ${e.message}");
  }
  return commit;
  