Use appropriate event type and item type filters for activity
Add some textures for header background
Move capture check function to utils package
Refactor OpenID/Persona login handling into traits for more re-usability (from the portal), and handle more error conditions
Unfinished support for openid login on the portal
More openid/portal tweaks
More changes. Login loop due to page caching and dev auth restrictions
Redirect login page to home if already logged-in
Ensure account is populated on portal views, reenable staff only check
Update tests for new behaviour.
Switch to pegdown for its handling of _ within links, etc