Push reveal.js notes into the console
http://www.raymondcamden.com/index.cfm/2012/8/15/Push-revealjs-notes-into-the-console
Reveal.addEventListener( 'slidechanged', function( event ) {
// event.previousSlide, event.currentSlide, event.indexh, event.indexv
var notes = event.currentSlide.querySelector(".notes");
if(notes) {
console.info(notes.innerHTML.replace(/\n\s+/g,'\n')