git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@20373 99afaf0d-6903-0410-885a-c66a8bbb5f81
added parameter in the columns for using a custom renderer

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@20374 99afaf0d-6903-0410-885a-c66a8bbb5f81
SPAGOBI-1274: As a SpagoBI User I want that, if I specify that a column of datset is a time reference (eg time_ref_year), the Wizard will perform a validation before saving 
https://spagobi.eng.it/jira/browse/SPAGOBI-1274

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@20375 99afaf0d-6903-0410-885a-c66a8bbb5f81