Search interface brought to accordance with the standard (results in list mode, dialogs have select, "string" and "form" searches are separate dialogs);
Getting searchable type list moved out so that it can be overwritted;
Added more search parameters;

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11151 20353a03-c40f-0410-a6d1-a30d3c3de9de