Update to commit c721a6a from git@github.com:x-team/wp-stream.git

Includes the following commit(s):

commit c721a6aecc43c90cf8c082789d9357920ce7ae03
Author: Frankie Jarrett <frankie@x-team.com>

    Chanelog tweak

M	readme.md
M	readme.txt


git-svn-id: https://plugins.svn.wordpress.org/stream/trunk@852842 b8457f37-d9ea-0310-8a92-e5e31aec5664