What-If engine's definition and its driver

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@22740 99afaf0d-6903-0410-885a-c66a8bbb5f81
Execution of an OLAP analysis as a SpagoBI analytical document with the new SpagoBIWhatIfEngine

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@22741 99afaf0d-6903-0410-885a-c66a8bbb5f81
Execution of an OLAP analysis as a SpagoBI analytical document with the new SpagoBIWhatIfEngine

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@22742 99afaf0d-6903-0410-885a-c66a8bbb5f81