Squashed 'reveal.js/' changes from 8026dfc..fd7d09f

fd7d09f find correct path to open html file from the notes.js path
REVERT: 8026dfc find correct path to open html file from the notes.js path

git-subtree-dir: reveal.js
git-subtree-split: fd7d09f6972443279e7d06397b52ddd9d789f51e
Merge commit '125b78bcb527812ea976193d0096e73fee128634' into gh-pages