fixed a typo in the line that import ExceptionHandler

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@21682 99afaf0d-6903-0410-885a-c66a8bbb5f81
IN PROGRESS - issue SPAGOBI-1570:Added support for positional addig of widget to container panel

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@21683 99afaf0d-6903-0410-885a-c66a8bbb5f81