Adds a BaseCacheBackend class with a simple API (load, save, remove) to be subclassed and specified in the DBTEMPLATES_CACHE_BACKEND settings.
Adds DjangoCacheBackend (uses Django's own caching mechanism) and FileSystemBackend (simple approach to filesystem saving).
git-svn-id: https://django-dbtemplates.googlecode.com/svn/trunk@58 cfb8ba98-e953-0410-9cff-959ffddf5974
committer: leidel <leidel@cfb8ba98-e953-0410-9cff-959ffddf5974>
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extra : convert_revision : fde60d8ab2e834d898d9f662cf013d5546370eeb