These are no longer used by transport, and nobody else should be using
them.

Actualy they are now also a class.
The existing functions still exist and call into the class
(wastefully creating an instance every time but I expect these
to go away and rewrite the clients to use an instance of the
transport class directly.

By default the router derives the url names from
the model name (which it gets from the queryset)
which is Message

Note: transport still uses the explicit views

tests broken

Conflicts:
	django/website/chn_spreadsheet/tests.py

Conflicts:
	django/website/data_layer/handlers.py
	django/website/data_layer/tests/handler_tests.py
	django/website/settings.py
	django/website/transport/data_layer_transport.py

Conflicts:
	django/website/hid/views.py

It is now possible to specify a date format string (as used by
strptime) for date columns in the spreadsheet.

Conflicts:
	django/website/chn_spreadsheet/tests.py