added support for custom colors in pie

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23199 99afaf0d-6903-0410-885a-c66a8bbb5f81
fixed problem with qbe datasets

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23200 99afaf0d-6903-0410-885a-c66a8bbb5f81
fixed a problem in field meta management in case of qbe datasets

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23201 99afaf0d-6903-0410-885a-c66a8bbb5f81
fixed a problem on deletion


git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23202 99afaf0d-6903-0410-885a-c66a8bbb5f81
fixed a problem with qbe

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@23203 99afaf0d-6903-0410-885a-c66a8bbb5f81