IN PROGRESS - issue SPAGOBI-1730: As Cockpit User I want to have a pie widget 
https://www.spagoworld.org/jira/browse/SPAGOBI-1730

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22734 99afaf0d-6903-0410-885a-c66a8bbb5f81
git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22735 99afaf0d-6903-0410-885a-c66a8bbb5f81
changed selection structure

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22736 99afaf0d-6903-0410-885a-c66a8bbb5f81
added service stub: getJoinedDatasetStore

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22737 99afaf0d-6903-0410-885a-c66a8bbb5f81