serve demo assets from cdn, logo on first slide in demo.html
serve demo assets from cdn, logo on first slide in demo.html

rbtcollins/reveal.js,Jean85/reveal.js,lvh/reveal.js,rbtcollins/reveal.js,hakimel/reveal.js,Jean85/reveal.js,tehfedaykin/10CommandmentsofCommunityOrganizing,tehfedaykin/10CommandmentsofCommunityOrganizing,seefood/DIYHolidays,jayramj/agile-retro,siddhartha-gadgil/presentations,rbtcollins/reveal.js,maximesinclair/presentations,siddhartha-gadgil/presentations,lvh/reveal.js,rbtcollins/reveal.js,maximesinclair/presentations,10xEngineer/reveal.js,hakimel/reveal.js,kenkunz/js-crash-course,dbs/reveal.js,siddhartha-gadgil/presentations,kenkunz/js-crash-course,jayramj/agile-retro,rbtcollins/reveal.js,dbs/reveal.js,seefood/DIYHolidays,rbtcollins/reveal.js,10xEngineer/reveal.js