am 3af8e938: Change addCertificate to take byte[] instead of String as we don\'t know the encoding.

Merge commit '3af8e9389e008c0076b86cc6b3c6f005e7473d10'

* commit '3af8e9389e008c0076b86cc6b3c6f005e7473d10':
  Change addCertificate to take byte[] instead of String as we don't know the encoding.