Track `userCreated` for function definitions
Check `userCreated` property instead of querying start blocks
Add tests for new function error messages
Automatically built.

commit 5f6b3b8010c455dba72367334038a853608b25ea
Author: Brendan Reville <brendan@code.org>
Date:   Tue Dec 2 17:42:00 2014 -0800

    Add white borders to course 4 banner.

commit 99c109a109e033732b2ec5197557d61ff30aef3f
Author: Brent Van Minnen <bjvanminnen@gmail.com>
Date:   Tue Dec 2 17:34:20 2014 -0800

    add a couple more toolbox blocks
Code review feedback
Merge pull request #626 from code-dot-org/better-error-messages

Add tests for new function error messages
another small set of playlab level changes
Dropbox changes
Corrected arguments to tar for SOLR installation.
Minor layout fixes for code.org/learn.
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
Automatically built.

commit 0abc759179bf8aa1dc7d7c5b0132e0ad95a35903
Merge: f36344b 8414c65
Author: Continuous Integration <dev@code.org>
Date:   Wed Dec 3 02:49:22 2014 +0000

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

commit 8414c65ecc46077301cabfee8731986171582326
Merge: 4e69273 1b729cb
Author: Brendan Reville <brendan@code.org>
Date:   Tue Dec 2 18:42:07 2014 -0800

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

commit 4e69273683039d5b2927cfdf3b4eb3f1ffff9e6b
Author: Brendan Reville <brendan@code.org>
Date:   Tue Dec 2 18:41:28 2014 -0800

    Minor layout fixes for code.org/learn.

commit 1b729cbbaf44abcdfa01a3b3db85eb3a56e455e2
Author: Geoffrey Elliott <geoffrey@code.org>
Date:   Tue Dec 2 18:28:34 2014 -0800

    Corrected arguments to tar for SOLR installation.
Dropbox changes
Merge pull request #631 from code-dot-org/staging

DTT