Replaced double quotes with single quotes for consistency.

R=mikelawther@chromium.org

Review URL: https://codereview.appspot.com/50990043
Added joints to hide cracks between limbs on large stick-persons - elbows, knees, and ankles.

R=mikelawther@chromium.org

Review URL: https://codereview.appspot.com/51190043
Added collision detection, invert velocity upon collision, and endgame screen with option to replay.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/46650043
Merge remote-tracking branch 'wa/master' into migrateBreakout
Merge pull request #13 from web-animations/updateBreakout

Update breakout demo
Created limbAnimation function to simplify animating each limb.

Made line length less than 80 characters.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/52560046
Update presubmit lint path to point to intern projects

This patch updates the PRESUBMIT.py linter check to check the breakout
and walking demos. It also fixes a miner style violation in
stick-person.js.

R=dstockwell@chromium.org

Review URL: https://codereview.appspot.com/52600043
Function to update any element's coordinates, move the paddle with the
mouse, and remove unused class.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/52580043
Added the attribute 'walk' to stick-person for user control over stick-persons walk.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/49550043
Paddle responds to both touch and mouse movements.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/52710045
Added direction attribute so that direction of walk can be controlled by user.

Handle direction attribute as left (scale(-1,1)) or right (scale(1,1)).

Removed separate functions for event listeners where not required.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/52900044
Dynamically change size of playing field to reflect viewport size.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/50100045
Fixed indentation according to style guide (2 spaces).

Removed html tags.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/54280044
Make ball slower, specify units in javascript changes to the CSS.

R=alancutter@chromium.org, mikelawther@chromium.org

Review URL: https://codereview.appspot.com/54030044
Merge remote-tracking branch 'origin/master' into HEAD
Update components.