- fix some compile errors
 - fix compile issue
 - fix compile issues
 - propagate voice user join event
 - implement handling of FS ESL messages
 - wire app voice conference service
 - fix message handling issue
 - breakdonw presentation messages into spearate messages
 - try to get presentation working again
 - try to fix presentation messages
 - fix presentation conversion message
 - handle get presentation info message
 - try to figure out logging
 - send presentation messages as JSON
 - slowly making presentation work again
 - fix go to slide message
 - fix issue where in goto page, the previous page is still marked as current page
 - continue fixing presentation. Looks like it synchs. Need to fix why
   current page of presentation doesn't display for late comer.
 - alittle bit of formatting
 - now late comers can display current presentation page
 - synch presentation
 - however, whiteboard doesn't sync for latecomers