Add Fullcalendar Javascript and CSS (version 1.6.4).

http://arshaw.com/fullcalendar/
Now renders basic, empty Fullcalendar on /.
Revert "Now renders basic, empty Fullcalendar on /."

This reverts commit 46bf6a3787e87d11847c252859a49126a544c9a6.
Revert "Add Fullcalendar Javascript and CSS (version 1.6.4)."

This reverts commit b9bbb9284fa736f35a0e943cd3740fd755a1ebf1.

It'll take a lot of effort to get Fullcalendar to render the Islamic calendar - it's not just a matter of putting on events at certain dates, months have different numbers of dates! We'll do this in Ruby instead!