Fix bug 1104112: Revert demo heading text change

This reverts commit 1aef4025a415de5a54dd12531a885f6c5a79962c.

Conflicts:
	media/redesign/stylus/demos_10th.styl
Merge pull request #2925 from openjck/1104112-demo-headline

Fix bug 1104112: Revert demo heading text change