That's why I said: "Then use meek-amazon as a pluggable transport which should work." meek-amazon makes your traffic look like you're talking to:
> url=https://d2cly7j4zqgua7.cloudfront.net/ front=a0.awsstatic.com
With the snowflake pluggable transport (only available with Linux and Mac alphas for now) the traffic looks like WebRTC.
You can read more about them here:
https://trac.torproject.org/projects/tor/wiki/doc/meek
https://trac.torproject.org/projects/tor/wiki/doc/Snowflake