converted XML to JSON.

We can server static json files, there is no need to run an active
component in the site, one more component that can not crash. Flat
files FTW :)
auto hight of the info div + title position correction
fixed initing screen controls and added comment
layout of the toggle button & toc link
removed dead code
minor
removed hash watcher, it starts multiple slide shows and it's not needed in the site
moved the TOC link up 2px