Transtale Code and Maze Apps to Vietnamese.

git-svn-id: http://blockly.googlecode.com/svn/trunk@650 c400ca83-b69d-9dd7-9705-49c6b8615e23
German corrections.

git-svn-id: http://blockly.googlecode.com/svn/trunk@651 c400ca83-b69d-9dd7-9705-49c6b8615e23