Support arbitrary text after reason

[regentgal]

Allow users to terminate the reason (starting with for, etc) with a period (.) and include arbitrary text after the period that will be ignored.

@Zach Jones++ for linking the hipchat code. was planning on grabing that later anyway to steal their regex :smile: => "zach has 1 points, 1 of which is for linking the hipchat code."

"was planning on grabing that later anyway to steal their regex 😄." should be ignored.