[PATCH 2/3] Go bindings: wrap notmuch_message_get_date

[Justus Winter]

Quoting Julius Plenz (2013-03-02 15:50:55)
> -// TODO: wrap notmuch_message_get_date
> +func (self *Message) GetDate() time.Time {

It's customary to name the receiver just m for the type Message. I
realize that the rest of the code uses self too, but I'd love to see
this converted and maybe we should not introduce any new code that
uses a receiver called self. @anyone: Thoughts?

Justus