Move most of the client hellos to [meek/SampleClientHellos](https://trac.torproject.org/projects/tor/wiki/doc/meek/SampleClientHellos), keep a diff against Firefox. ([diff](https://trac.torproject.org/projects/tor/wiki/doc/meek?action=diff&version=44)) URL: https://trac.torproject.org/projects/tor/wiki/doc/meek?version=44