Web-app: fixed undefined variables
Web-app: removed transaction for single query
Web-app: Gracefully handle errors from the facial recognition server
Web-app: Disable ajax when a custom handler is registered
Web-app: fixed access level check
Web-app: ajax-friendly confirmations
Web-app: fixed truncated student names
Web-app: fixed missing assessment name
Web-app: don't hide menu on access level error
Web-app: Fixed form targets
Web-app: Enabled ajax integration for jQuery mobile
Web-app: fixed display of twitter and dropbox pages
Web-app: ensured that the dropbox folder exists
Web-app: ignore eclipse files
Web-app: added hint after retweeting
Web-app: made hashtag configurable and removed it from text of tweets
Web-app: fixed dropbox callback
Web-app: Fixed access to main page
Test: fixed stress-testing script
Web-app: keep tokens until their expiration, fixes "session expired" bug