Fix starting coordinates for RTL blocks.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1693 c400ca83-b69d-9dd7-9705-49c6b8615e23
Fix mutator locations in non-scrollbar mode.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1694 c400ca83-b69d-9dd7-9705-49c6b8615e23
Fix context menu locations in toolbox.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1695 c400ca83-b69d-9dd7-9705-49c6b8615e23