Fixed multivalve fields.
Automatically built.

commit 4e25cfc1d199a815c34aaed2f14df7997e3f809b
Merge: 617a28c 1d5a21b
Author: Brendan Reville <brendan@code.org>
Date:   Fri Dec 19 14:20:48 2014 -0800

    Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging

commit 617a28cc98c702dd6e60d0dcbd19e98d1e928d19
Author: Brendan Reville <brendan@code.org>
Date:   Fri Dec 19 14:19:36 2014 -0800

    Add Ice Age logo below small Scrat for scrat tutorial pages.
Merge pull request #882 from code-dot-org/staging

DTT