Initial work on special Frozen "carousel" for code.org/learn.
Small updates to frozen carousel: infinity logo back; only show for English until translated.
Add Scrat to hour of code carousel bar for full desktop width displays.  For fun.
Let's make the tiny Scrat blink.  For fun.
Merge branch 'staging' into frozencarousel

Conflicts:
	pegasus/sites.v3/code.org/public/learn/index.haml
Minor aesthetic improvements to frozen carousel entry.
put notice/alerts back on the homepage (and make them bootstrappt)
Update Frozen image.
Merge pull request #601 from code-dot-org/flash-homepage

put notice/alerts back on the homepage (and make them bootstrappy)
Merge branch 'staging' into frozencarousel

Conflicts:
	pegasus/sites.v3/code.org/views/learn_carousels.haml
Merge pull request #564 from code-dot-org/frozencarousel

Frozen "carousel" banner at code.org/learn
Do not use a levelbuilder branch.
hide header from i18n code.org/learn
Automatically built.

commit 175b85402811853f97528742d222a610bfb919a5
Merge: f9527ce 3e29df0
Author: breville <breville@users.noreply.github.com>
Date:   Mon Dec 1 18:20:45 2014 -0800

    Merge pull request #564 from code-dot-org/frozencarousel

    Frozen "carousel" banner at code.org/learn

commit 3e29df01be85b01f2fa41588a001f037d06f6410
Merge: 1356f01 90ce002
Author: Brendan Reville <brendan@code.org>
Date:   Mon Dec 1 18:18:28 2014 -0800

    Merge branch 'staging' into frozencarousel

    Conflicts:
    	pegasus/sites.v3/code.org/views/learn_carousels.haml

commit f9527ce50d86e1d78d1a6dcd2796642fcaa1767f
Merge: fea1eb6 ab30fdf
Author: Laurel <laurel.fan@gmail.com>
Date:   Mon Dec 1 18:06:37 2014 -0800

    Merge pull request #601 from code-dot-org/flash-homepage

    put notice/alerts back on the homepage (and make them bootstrappy)

commit fea1eb6208f24fd9f4784013bb8cf64094d0f35e
Author: Laurel Fan <laurel.fan@gmail.com>
Date:   Mon Dec 1 18:01:00 2014 -0800

    fix unit test

commit 1356f0123ef5489db6562fef4fb38ae262d16708
Author: Brendan Reville <brendan@code.org>
Date:   Mon Dec 1 17:46:45 2014 -0800

    Update Frozen image.

commit 90ce00237937c93b2b9b796850c8225783c1d657
Author: Tanya Parker <tanyacparker@gmail.com>
Date:   Mon Dec 1 17:44:38 2014 -0800

    update code.org/learn, limited i18n view

commit d037a4372dff544ba6dd3b2fb863013ba94b6cd0
Merge: e994113 20c662f
Author: Brendan Reville <brendan@code.org>
Date:   Mon Dec 1 17:40:22 2014 -0800

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

commit e994113167cc726cdd557258d3a2a322cac5d663
Author: Brendan Reville <brendan@code.org>
Date:   Mon Dec 1 17:39:50 2014 -0800

    Make studio.code.org header light grey again, but hide it when signed-out.

commit 20c662f1a4f048f51b6b1ff360cdc53d2da933c2
Merge: 1aebed1 926c55c
Author: Continuous Integration <dev@code.org>
Date:   Tue Dec 2 01:36:07 2014 +0000

    Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Make scrat really disappear when the styling says display:none, by using opacity for animation.
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
query to get average levels completed for a few sets of users
Merge pull request #605 from code-dot-org/staging

DTT
Dropbox and Gsheet changes
fix test