Fixed signup page, truncate script, hidden discussion text and better looking navbar
Do not assume 'search_language' will be in the session object
Handle more general exception for the case when no drupal database is present
remove call to completed_tasks_users - function too slow with django style querying and count, length and pagination breaks with raw query
Add old course to list if it isn't in the list
Remove fresh additions link for now
Use unicode string for course URI
Merge pull request #196 from p2pu/master

Post release fixes