settings: Don't cache stuff in DEBUG mode
settings: Don't cache stuff in DEBUG mode

In particular, template and view caches can be very annoying when
developing the project.

okfn/foundation,okfn/website,okfn/website,okfn/foundation,MjAbuz/foundation,okfn/foundation,MjAbuz/foundation,MjAbuz/foundation,okfn/foundation,MjAbuz/foundation,okfn/website,okfn/website