list more themes
fix: links not working when controls are disabled
update grunt and node dependency versions
Merge branch 'master' of https://github.com/ziggystar/reveal.js into dev
update progress bar to hide/show using same type of rules as controls
enable hiding of address bar for ios chrome #582
Merge branch 'list-themes' of https://github.com/tlevine/reveal.js into dev
reorder themes #584