Since consensus hasn't been reached for the new
binary format, we will roll it back for now,
in order to have the release the 0.31 branch,
and iterate over it in the mean time.
Coverage decreased (-1.1%) to 81.515% when pulling 4bafa4e63e1374cc766af7fca81e6912ae372d62 on carlosalberto:revert_binary_format_update into 76e282fbed20e93a6654ca2bfdb4489d5a14a0ae on opentracing:v0.31.0.
Since consensus hasn't been reached for the new binary format, we will roll it back for now, in order to have the release the 0.31 branch, and iterate over it in the mean time.