Calling of SlidesExporter, change of notebook template, add of reveal.js 2.6.0.
Changed missing static url.
Added zoom = 1 to the slideshow to scale properly inside the container. Inherit the height of the container to show at full height.
Auto zoom on because is no longer necessary after inherit of height container and to support auto scale of slideshow.
Changed fontsize, line height and avoid display of footer.
Changed the index template to fit slides viewer and not nbviewer.
Updated reveal.js to 2.6.1.