save 3 sizes of the uploaded image; fixed minor issues in deck vieews
use the three sizes of each uploaded image in appropriate places
use the three sizes of each uploaded image in appropriate places
add PIL to requirements.txt
add PIL to requirements.txt
fixed broken control functionality
Modified templates to use MEDIA_URL to point to images. Also added some docstrings and minor refactorings.
Merge branch 'dev' into feature/image-fields
Merge pull request #44 from Harvard-ATG/feature/image-fields

Feature/image fields