Misc changes.  Fixing plane, dutch messages, chinese name, removing obsolete file, adding scollbar flag to wiki, prevent menu jitter on Puzzle-load, fix context menu in Puzzle.

R=spertus@google.com

Review URL: https://codereview.appspot.com/11934046

git-svn-id: http://blockly.googlecode.com/svn/trunk@1156 c400ca83-b69d-9dd7-9705-49c6b8615e23
Generated files from previous CL.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1157 c400ca83-b69d-9dd7-9705-49c6b8615e23