now the default value for extjs param in page servie is 4

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@22560 99afaf0d-6903-0410-885a-c66a8bbb5f81
removed cache module from cockpit engine (it has been moved to spagobi core)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@22561 99afaf0d-6903-0410-885a-c66a8bbb5f81