Automatically built.

commit b8a6675161ecf087c44577564116167dfa6d9449
Merge: e807071 4e5b750
Author: Bjvanminnen <Bjvanminnen@gmail.com>
Date:   Thu Oct 16 16:04:35 2014 -0700

    Merge pull request #207 from code-dot-org/calcExpressionNode

    Some cosmetic changes to calc

commit 4e5b750caa00346e6b7132936ba621f59c05d90f
Author: Brent Van Minnen <bjvanminnen@gmail.com>
Date:   Thu Oct 16 15:53:36 2014 -0700

    some cosmetic changes

commit e80707179afddb9429f8ff0c6170670520af9bc1
Merge: bee5fdd 4d12eb7
Author: Laurel <laurel.fan@gmail.com>
Date:   Thu Oct 16 15:54:56 2014 -0700

    Merge pull request #204 from code-dot-org/generate-usernames

    automatically create usernames for new users