Creating Turtle contest.

git-svn-id: http://blockly.googlecode.com/svn/trunk@709 c400ca83-b69d-9dd7-9705-49c6b8615e23
Added sound effects for hitting maze wall (whack.wav) and winning (win.wav).
Both sound files are in the public domain.  They were found at:
- http://www.allmusiclibrary.com/free_sound_effects.php [enchant]
- http://soundbible.com/1952-Punch-Or-Whack.html

git-svn-id: http://blockly.googlecode.com/svn/trunk@710 c400ca83-b69d-9dd7-9705-49c6b8615e23
Urgent fix for Vietnamese colour message.

git-svn-id: http://blockly.googlecode.com/svn/trunk@711 c400ca83-b69d-9dd7-9705-49c6b8615e23