cache gallery and share images
address some code review feedback
replace Blockly.fireEvent
tweak debug styles for IE, mark contained divs as hidden
add startWebRequest, JSON.parse
commit pegasus/emails/2014-12-02-hoc.md to fix staging build
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
last two new play lab levels
Track `userCreated` for function definitions
Merge pull request #618 from code-dot-org/playlab

couple more play lab changes
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Dropbox changes
redirect to canonical urls for Scripts#show (eg. s/1, s/frozen)
Merge pull request #616 from code-dot-org/webapp_startWebRequest

Webapp startWebRequest
level builder changes merged by dave@code.org
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
commit staging changes including pending blockly-package build output (dave)
Automatically built.

commit 85f71225974e8f2428ebd79e61192eab86233f3b
Merge: 72f343c 458eac8
Author: Continuous Integration <dev@code.org>
Date:   Tue Dec 2 23:32:46 2014 +0000

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

commit 72f343c517f81a94fecbd887edcf9f0f642986c4
Author: Continuous Integration <dev@code.org>
Date:   Tue Dec 2 23:32:05 2014 +0000

    level builder changes merged by dave@code.org

commit 458eac824d2a0b062af4c2b708ea0b16b5c2b0e3
Merge: 7a1d787 ca142ec
Author: cpirich <chris@code.org>
Date:   Tue Dec 2 15:29:00 2014 -0800

    Merge pull request #616 from code-dot-org/webapp_startWebRequest

    Webapp startWebRequest

commit 7a1d787c4125460f642664870d729564060482fa
Author: Continuous Integration <dev@code.org>
Date:   Tue Dec 2 23:16:39 2014 +0000

    Dropbox changes

commit 317f4f113ee2a954abdf09331fbd14ffa5cb2741
Merge: a9cb6af 0b10a57
Author: Continuous Integration <dev@code.org>
Date:   Tue Dec 2 23:11:03 2014 +0000

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

commit 0b10a570072f75477730a5ed3281a4272675c6aa
Merge: d0bc11f 6a0f91d
Author: Bjvanminnen <Bjvanminnen@gmail.com>
Date:   Tue Dec 2 15:10:46 2014 -0800

    Merge pull request #618 from code-dot-org/playlab

    couple more play lab changes
Updated header and styles for MSM and MSS.