Pita/etherpad-lite — pull request #898 by marcelklehr (2012-07-23 12:25:16+00:00)
Title: Display errors occuring on page load to the user.

This registers a `window.onerror` handler that will display all uncaught errors to the user.
Once the pad is fully loaded, padutils.setupGlobalExceptionHandler will override the `window.onerror` handler.