Authors might want to use a shared reveal.js installation for all their
presentations such as:

	$ ls -1 -F
	20120105-how-to-use-git.html
	20121101-wikimedia-scaling.html
	reveal.js/
	$

In this case, the plugin callbacks will not be called at all.

When using head.js, the callback is marked as depending upon the loading of a
Javscript filename. The regex used to find out the filename is applied to the
full path which in the above case would be something like:

	reveal.js/plugin/highlight/highlight.js

The regex will thus give out 'reveal.js' as a file depency instead of the
expected 'highlight.js'

The fix is quiet easy: simply make sure that we are looking for a file that
actually ends with '.js' instead of simply containing '.js' by adding a $.

fix vertical transition for vertically centered slides, vertical centering is now on by default (#70)

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«.

Update README.md:
Add the new API Methods Reveal.prevFragment() and Reveal.nextFragment()

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

Making it possible to call the methods Reveal.nextFragment() and Reveal.previousFragment() from »outside«.

Handling the fullscreen functionality via the fullscreen JavaScript API.

Press »f« on the keyboard to enter fullscreen mode.