Changed demo with multiple stick people to game demo.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/62690043
Capitalised title to match other demos.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/62890044
Made up arrow increase hight and down arrow decrease height.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/63540043
Removed type from css link as per style guide.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/63420043
Moved demo styling and script to separate files.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/63490043
Made stick persons colour change to a new random colour when it is clicked.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/63460043
Changed keycodes to variables for readability.

BUG=
R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/62720043
Alphabetised css formatting rules.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/62900043
Added instructions box.

R=alancutter@chromium.org

Review URL: https://codereview.appspot.com/63400044
Merge remote-tracking branch 'origin/master' into HEAD
Update components.