Improved proposals#show: only display note if there's content, and display "speaker" or "speakers" as appropriate.
Improved proposals#show: only display note if there's content, and display
"speaker" or "speakers" as appropriate.

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