Automatically built.

commit 5f6b3b8010c455dba72367334038a853608b25ea
Author: Brendan Reville <brendan@code.org>
Date:   Tue Dec 2 17:42:00 2014 -0800

    Add white borders to course 4 banner.

commit 99c109a109e033732b2ec5197557d61ff30aef3f
Author: Brent Van Minnen <bjvanminnen@gmail.com>
Date:   Tue Dec 2 17:34:20 2014 -0800

    add a couple more toolbox blocks