Update page number when loading slide
Further updates to test slides
Play with inhibiting caching of slides

Turns out this is exactly what jQuery does when .ajax() it told not to
cache responses. This is commented out for now.
Correct drop shadow on title slide
Use timestamps relative to page load

Activate the page load query string parameter trick, but keyed to when
the overall page was loaded. This will force the slide HTML to be
reload if Ctrl+R is used in the browser. Otherwise we're getting nasty
cache behaviour.

Use footer for pagenumber element.
Tweak positioning of footer and pagenumber
Go to specified slide on load or reload
Clean up top presentation page
Initial README for Projection