Move __unicode__ documentation and its notice after __str__
|Ready for checkin
|Patch needs improvement:
In the other model instance methods doc we start by documenting by a notice about
__str__ followed by the actual
Because of the way blocks are arranged it's not clear the notice is about
__str__ or and not other model instance methods in general.
Since the tutorial is oriented toward Python 3 I would suggest we reorder the doc blocks as follow:
It should make it clear the notice is about interaction of both methods and express our preference toward Python 3.