Cone.tokens

----------------

- Nothing changed yet.

----------------

- Update Makefile.
[rnix]

- ``properties`` and ``metadata`` of ``cone.tokens.model.Tokens`` are instance
properties now.
[rnix]

- Use ``ts.http_request`` instead of ``ts.ajax.request``.
[rnix]

----------------

- Adopt Settings UI changes from ``cone.app``.
[rnix]

----------------

- Tokens can be bulk deleted.
[lenadax]

- Tokens can be created from scanned value.
[rnix]

----------------

- Actually upload package to pypi.
[rnix]

----------------

- Initial work.
[rnix, toalba, lenadax]