manageSpeakers

This macro must be called within a nested page structure where the top page has an object of class 'waihonapediaCampaignClass'.

It will inspect/populate the property 'speakers'.

1. A user can decide to extend te speaker information (this will create two pages; nested below the campaign page, speakers.WebHome and speakers.speakerindex).
   1. .speakers.WebHome will have the macro {{showEventSupporters/}}.
   2. .speakers.speakerIndex will have the macro {{eventSupporterIndex/}}.
2. A user can add or remove 'supporters'. On the speakerIndex page the existing information can be extended with a bio in multiple languages