raise ActiveRecord::RecordNotFound (which causes 404) instead of NoMethodError (500) on level urls with invalid stage number
Checkpoint.
levelbuilder changes (dave)
Bug fixes.
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into activity
Merge pull request #683 from code-dot-org/staging

DTLB
Automatically built.

commit 26283e771cdc33b0c4159fe6a48fc878e4242020
Author: Geoffrey Elliott <geoffrey@code.org>
Date:   Thu Dec 4 17:34:37 2014 -0800

    Made easier to read.

commit 9290c1533c2baad34ec71f47a126735335a37ab9
Merge: 70129f6 618704a
Author: Brian Jordan <bcjordan@gmail.com>
Date:   Thu Dec 4 17:34:20 2014 -0800

    Merge pull request #685 from code-dot-org/shapeways_disclaimer

    Update Shapeways button flow

commit 70129f66d30dcf9783b83b6cdb1051f6db72d10a
Author: Geoffrey Elliott <geoffrey@code.org>
Date:   Thu Dec 4 17:28:15 2014 -0800

    Updated levelbuilder instructions.

commit 618704aab6047be507987f8c2d5e0c8154ce28fd
Author: Brian Jordan <bcjordan@gmail.com>
Date:   Thu Dec 4 17:22:31 2014 -0800

    Only show shapeways when send ot phone is enabled
Varnish for levelbuilder-dev
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into activity
Add country and state columns for compatibility with analysis scripts.
Dropbox and Gsheet changes
added callout strings for course 4
Analyze script updated.
Merge branch 'staging' of github.com:code-dot-org/code-dot-org into activity
Updated the geocoder for activity.
Tutorial shouldn't be required.
Update 10% of the network at a time instead of 20%
Segment instance sets by app (first 3 sets are pegasus, are dashboard)
Merge pull request #687 from code-dot-org/staging

Deploy levelbuilder
Silence a noisy thing except in production where it's interesting.