Fixed another link...
Grrr...
Upgraded to Leaflet v.0.7

Tiles now do show up in Chrome on Android after zooming and no more special CSS for IE.. Bye bye IE6 ;-)
Added twitter button.

Provides easy way for people to share this visualisation right from their web browser.
Merge branch 'master' into gh-pages

Conflicts:
	index.html
Merge pull request #7 from emacgillavry/master

Added Twitter functionality and upgraded Leaflet