Ryan Fitzpatrick

Is there anything preventing this from being accepted, @mikebryant? It doesn't seem to introduce any long term overhead for apps or tracers and is necessary for the jaeger client to...

@carlosalberto, @benjigoldberg if it's any help I was able to get this working against master w/ these changes: https://github.com/rmfitzpatrick/python-django/commit/301045b6a27dcd0ecb87f0a7f743ccbe2f5ec207.