Remove getBBox for measuring block size.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1681 c400ca83-b69d-9dd7-9705-49c6b8615e23
Shift inline inputs sideways 3px.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1682 c400ca83-b69d-9dd7-9705-49c6b8615e23
Add API for updating toolbox.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1683 c400ca83-b69d-9dd7-9705-49c6b8615e23