improved  support for multimodal selections

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23195 99afaf0d-6903-0410-885a-c66a8bbb5f81
added pie

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23196 99afaf0d-6903-0410-885a-c66a8bbb5f81
Fix the check of the last version.. use the ignore case to resolve the name of the column version.

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23197 99afaf0d-6903-0410-885a-c66a8bbb5f81
Keep the last edited formula only in case of error. Block the edit of the cell while exporting the model

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23198 99afaf0d-6903-0410-885a-c66a8bbb5f81