Improve selector_votes, add multi-level sorting for deterministic ordering.
Improve selector_votes, add multi-level sorting for deterministic ordering.

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