Python 3 fixes
Avoid using deprecated django.conf.urls.defaults

Import from django.conf.urls on Django >= 1.4 and fall back to
django.conf.urls.defaults for older versions
Change manage.py to require Pillow 2.0. This is to avoid PIL import errors for Mac users
Change manage.py to require Pillow 2.0.0 This is to avoid PIL import errors for Mac users
Add comment to Pillow requirement to indicate that 2.0.0 is needed for Mac users.
More notes for the CHANGELOG.
Merge commit '0f6d9968e23a6c4f25cebe16f87bd0749863939b'
Merge commit 'b4fcba854624e593eefb58c6f68c82283dea4322'
No need for code supporting Django pre-1.4.
Tidy code.
Merge commit 'dac142f8b72bca4c1767699813f5847f27ff2f56'.
Travis CI should test Photologue against Django 1.5.