default picture is now a drop down menu
user can now update username
email is not on account edit page. need to make DRYer code to edit/listen to edit/changes
favorites page will instantly remove photo when a photo is unfavorited with AJAX
photostreams now has updated username, will be used for slug
drop-down picture now links to user's profile, need set as default image in case it is nil
nicely used before_create to set default profile photo and user's unique photostream
username or email under each photo links to user's page
adds paperclip config for AWS
adds files