Added Ripuarian help image.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1019 c400ca83-b69d-9dd7-9705-49c6b8615e23
Change name of flag_ksh.png to help_ksh.png

Review URL: https://codereview.appspot.com/9912043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1020 c400ca83-b69d-9dd7-9705-49c6b8615e23