Enlarge the sharing input so that the full URL can be seen.
In my class with MacOS X and Safari the sharing URL box wasn't
wide enough and the last characted was out of sight. Adding
10 pixels fixes the issue without braking the desing in any way.
[Finishes #82528174]
Create embeddable game from Blockly level with query parameter ?embed=true
(embedded frame responds to changes in screen/iframe width)
Added 'iframe' parameter to content dsl type
include iframe embed in multi puzzle type
show embedded level. More work on resizing iframe based on width.
fix issue with initial resize
Tweaks to admin panel stylesheet
Merge pull request #483 from code-dot-org/test

DTP
Merge pull request #486 from code-dot-org/levelbuilder

level builder changes
Merge pull request #485 from code-dot-org/test

DTP
Show beta next to course title in studio.code.org course block.
Merge pull request #487 from code-dot-org/staging

DTT
Fix unit test by showing beta text outside of h3 tag.
DTT
Merge pull request #488 from code-dot-org/test

DTP
Fix frozen artist in Firefox
Automatically built.

commit b9a3e0739bea3ce09e4aa10049ff7d79d4429a1d
Author: Josh Lory <josh.lory@code.org>
Date:   Wed Nov 19 08:34:34 2014 -0800

    Fix frozen artist in Firefox
DTT
Merge pull request #489 from code-dot-org/test

DTP
Wrap drawImage calls to check that the image has a width (and therefore loaded).  Fixes IE.
Fix IndexSizeError when turtle is moving backwards
Merge pull request #490 from code-dot-org/wrapdraws

Bounds-check drawImage calls (ensure positive width and non-negative offsets)