Use fade instead of sliding.

(Needs solution for IE9, which just leaves everything with
0 opacity.)
Revert "Increase animation speed."

This reverts commit 9c8c3209c4eb75d42d3b9f1a890ecee9998c9bde.
Revert "Add animation to main page."

This reverts commit c9221e33437d6bc0319927a1c36fa6e70d8da3fe.
Old IE-safe fade.
Merge branch 'animations'

Conflicts:
	Content/css/mainStyle.css
	Content/index.html