Moving the about template to guest/
Show the about page if you're not logged in
Use h4 for album thumbnails
Add basic user profile pages
Make it easier to go back to the friends page from a profile page
Include the albums JS on every page
Duplicating some code, to make a further refactoring easier

I want to add different handling for XHR requests, which
doesn't fit into the class hierarchy I've got currently.
Moving code for fetching tag information to the model layer
Move make_ajax_request for reuse
Allow tagging/untagging photos via XHR, to avoid page reloads