Add plugins for HTML Slidy and Reveal.js along with the underpinning common plugin, all of which for going from slideset 2 html. Plugins are not proper toolkit plugins yet, resource files are not properly copied yet, and images (or other assets) are not properly handled yet.
Merge pull request #1 from scalderwood/master

Add plugins for HTML Slidy and Reveal.js along with the underpinning com...