[core-workflow] Use something other than an In-joke for Trigger Phrases

[Ethan Furman]

On 10/08/2017 09:44 AM, Brett Cannon wrote:

> I actually wouldn't want the bot name in the trigger phrase since you're not addressing the bot but the reviewer(s). So
> using something that is unambiguous as a trigger phrase like "please re-review" or "please review again" that won't come
> up in conversation about what is required should be enough to be unambiguous of the intent of the commenter as well has
> not seeming quite so forced.

You're addressing the bot to notify the reviewers.  It's like asking one's secretary to schedule an appointment with 
one's peers.

--
~Ethan~