Small idea to be more positive towards new contributors

[Bastien Nocera <hadess hadess net>]

> From https://bugzilla.gnome.org/show_bug.cgi?id=735812
"
After reading:
http://160.twinql.com/humane-code-review/
I think that we should rename the "needs-work" patch status to something
more
positive, and less disheartening for contributors.

"feedback-given" is an alternative which I quite like.
"

Good idea?

Cheers