dotcloud/docker — pull request #4571 by dolph (2014-03-11 03:44:20+00:00)
Title: Travis CI does not allow for "small patch exceptions"

The DCO job run by hack/travis/dco.py in Travis CI enforces the presence
of a commit sign-off regardless of the contents of the patch, making
this documentation out date. It's not really feasible for CI to enforce
the subjective meaning of "small," so it seems the only solution is to
remove the possibility of "exceptions" from the documentation.