properly in the theme.
* Move thumbnail and resize generation down into the model for
consistency.
* Add a sample thumbnail for albums
* Fix a bug in the ORM to clear the cache when we reload an object.
* Add Kohana docs to the scaffold.
all (except in some very minor ways). It's unclear if this is the
best final structure. Right now the album controller knows a
considerable amount about the layout of the page, which may not be the
best way to do things.
