Switch from SVG context menu to HTML context menu.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1654 c400ca83-b69d-9dd7-9705-49c6b8615e23
Routine update of compiled and translated content.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1655 c400ca83-b69d-9dd7-9705-49c6b8615e23