[core-workflow] self-approving pull requests

[Donald Stufft]

You no longer need approval from someone else and you can open a cherry-pick PR prior to merging if you want. 

Sent from my iPhone

> On Mar 2, 2017, at 6:31 PM, Yury Selivanov <yselivanov.ml at gmail.com> wrote:
> 
> I feel like a lot of bug fixes will have to be backported. With the
> current rules I have to open a new PR and ask someones approval *and*
> wait until Travis completes the build before I can cherry-pick and push.