Merge pull request #183 from dandv/patch-4

Document zooming feature
adjust themes so that font definitions are at top, apply fonts on .reveal instead of body
Merge branch 'master' of github.com:hakimel/reveal.js
Adding images directory to staticDir so we can search images
add 'ready' event (#182)
Replacing speakernotes plugin with a simple postMessage system
fix issue in browsers that don't support classList
remove image dir (#187)
Change source from reveal.min.js to reveal.js for testing purposes
Add nextFragment and previousFragment to the API

Making it possible to call the methods Reveal.nextFragment() and Reveal.previousFragment() from »outside«.
Fix indentation
Add missing semicolon
Broadcast fragmentdata
Add event listener 'fragmentshown' and 'fragmenthidden'

And emit 'fragmentchanged' with the appropriate fragmentData to show or hide fragments.
get 'fragmentdata' and react by showing/hiding the corresponding fragments
Renaming key within fragmentData

Might be better to use one variable with different values.
Oops. Delete console output.
Rename API method from Reveal.previousFragment() to Reveal.prevFragment()

Because of consistency with the existent methods Reveal.prev() and Reveal.next()
Update README.md

Add the new API Methods Reveal.prevFragment() and Reveal.nextFragment()
Update renamed API method

See b957d0b8580bafb35fbb808ef1d7acf424f73895