Loaded i18n template tag to blog, links, and photo templates
Added title attribute to activity item model, and ordering by it in visibility manager and models' meta classes
Removed outdated feed template, which now uses the default object title template
Added args and kwargs to photo model's save method to ensure it picks up changes from Django's internal save method
Added new datetime field for Exif datetime to photos model, and also converted it to a timezone aware datetime
Flipped Exif aperture if statements to favor ApertureValue because it's what the Apple iPhone uses
Replaced create method on activity item model for get or create, which allows activity items to be updated and not just created
Added Exif if checks to photo detail template to prevent showing table if there is no Exif info
Simplified contact form placeholder defaults
Added Exif datetime boolean to photo model to allow toggling of Exif datetime to copy into published datetime
Enforced uniqueness on post, link, and photo slugs, which prevents more than one object returned from a query in a detail view
Also enforced unique slugs on the tag model
Allowed Exif published boolean to be visible on the photo model in the admin
Added ability to update existing activity items