Using the latest Uglify JS with --no-seqs and deleting 'use strict' statement for use in production.

Using the latest Uglify JS with --no-seqs and deleting 'use strict' statement for use in production.

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()

Using the latest Uglify JS with --no-seqs and deleting 'use strict' statement for use in production.

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«.

Using the latest Uglify JS with --no-seqs

Handling the fullscreen functionality via the fullscreen JavaScript API.

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

new paused mode feature (closes #144), controls and progress DOM elements are no longer required in HTML