Remove arrow character test from compile Maze files.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1668 c400ca83-b69d-9dd7-9705-49c6b8615e23
Add keyboard focus to dropdown and context menus.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1669 c400ca83-b69d-9dd7-9705-49c6b8615e23
Stop supressing touch events outside Blockly.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1670 c400ca83-b69d-9dd7-9705-49c6b8615e23