initial commit for image caching helper code
adding cached_object functionality to dimagi_utils
removing printouts
wip for cached_object api and tests
code cleanup, initial checkin of dimagi_utils tests for cached images
Merge branch 'master' into cached_images
adding core sizing tests
adding explicit unittest2, and incrementing utils number too
fixing dependencies and imports, come on travis
switching to png cuz jpeg libs aren't installed
another jpg reference to remove
adding ubuntu installs to get jpeg and png to work
fixing apt gets
removing jpg apts since we're just doing png
symlinking as per these instructions: ttp://obroll.com/install-python-pil-python-image-library-on-ubuntu-11-10-oneiric/
making the hashable unique name more unique by appending filename (thanks kenn), and removing silly int status codes on make_size
cleanup documentation
removing printstatement
cleanup
Merge pull request #104 from dimagi/cached_images

Cached images