Fixed event_spec, eliminated non-portable raw cache expiration.
Fixed event_spec, eliminated non-portable raw cache expiration.

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