Updates gitignore for DS_Store
Adds some common utility functions
Adds users application and enables request handling in templates
Updates urls for users app
Adds class for project RSS feed
Adds functionality for removing old projects to be used in conjuction with cron/launchd
Adds search, feeds, updates for utils class, etc
Adds feed handler
Adds sub_header, 'deleted' flag, & get_absolute_url method for projects and updates project list_dates to be aware
Updates static assets and templates for previous changes