Fixed ExceptionHandlingMixin#render_422: Exceptions were being swallowed by attempts to call #super when there wasn't one.
Fixed ExceptionHandlingMixin#render_422: Exceptions were being swallowed by attempts to call #super when there wasn't one.

mynameisfashanu/openconferenceware,ondrocks/openconferenceware,osbridge/openconferenceware,ondrocks/openconferenceware,mynameisfashanu/openconferenceware,mynameisfashanu/openconferenceware,osbridge/openconferenceware,osbridge/openconferenceware,mynameisfashanu/openconferenceware,ondrocks/openconferenceware,ondrocks/openconferenceware,osbridge/openconferenceware