[Twisted-Python] reactor.callLater(0,) should not be an idiom[PATCH]

[Andy Robinson]

> Also, could you possibly observe common netiquette and stop quoting
> whole messages or putting your response before what you're responding
> to? Thank you.

FYI Outlook makes you jump through hoops to reply 'the normal way'.
It's default is to preserve the whole message before what you
type.  It CAN be done, but not if your company enforces a
standard desktop configuration...

- Andy