Merge branch 'staging' of github.com:code-dot-org/code-dot-org into staging
Initial work on scrat maze level.
Shows animations for idling, jumping right, and falling into water.
Initial Disney Frozen artist support.
Sprite has walking animation, and each segment drawn in 10 pieces.  Only works on slowest playback speed due to timer overlaps.
Some Scrat sounds.
fix idles and some code cleanup
Merge pull request #1 from code-dot-org/hoc_brent

fix idles and some code cleanup
jshint cleanup
Reduce Scrat idle wobbling by tightening up image placement on sprite sheet.
fill in empty spaces, bigger avatar
acorn disappears. move some of the sprite sheet animation into common function
jshint fix
More Scrat sprites for moving, turning, winning jump.  Tidied up splash sequence.
Merge branch 'hoc' of github.com:code-dot-org/code-dot-private into hoc
Some more Scrat images for the general UI.
Automatically built.

commit 0024fef7ab5d6c838362694a088292fd73c108ed
Author: Brendan Reville <brendan@code.org>
Date:   Tue Oct 21 17:27:04 2014 -0700

    Some more Scrat images for the general UI.
Fixes for hoc-levels server
Fix a comment (and test pushing to new environment, really :)
Automatically built.

commit aa8f1ba44cedbee538884666141ec14f03e4f4af
Author: Brendan Reville <brendan@code.org>
Date:   Wed Oct 22 18:16:32 2014 -0700

    Fix a comment (and test pushing to new environment, really :)
Scrat is now bigger, and the ice tiles are now much brighter.
Fix tiles to have blocks behind trees again.