ERP5Form: Matrixbox: drop deprecated attributes

Drop usage of cellpadding, cellspacing, border.

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/erp5.css.css

@@ -1056,6 +1056,7 @@ div.search .searchPages .selected{
   border-bottom-width: 1px;
   border-left-width: 1px;
   border-right-width: 1px;
+  border-spacing: 1px;
 }
 
 .MatrixContent tr.matrixbox_label_line {
@@ -1095,6 +1096,7 @@ div.search .searchPages .selected{
   border-bottom-width: 0;
   border-left-width: 1px;
   border-right-width: 1px;
+  padding: 0;
   padding-left: 1px;
   padding-right: 1px;
 }
@@ -1105,6 +1107,8 @@ div.search .searchPages .selected{
 
 .MatrixContent td.footer {
   width: 100pt;
+  vertical-align: middle;
+  text-align: center;
 }
 
 

product/ERP5Form/MatrixBox.py

@@ -303,14 +303,14 @@ class MatrixBoxWidget(Widget.Widget):
     <!-- Matrix Content -->
     <div class="matrixbox_label_tab">%s</div>
     <div class="MatrixContent">
-     <table cellpadding="0" cellspacing="0" border="0">
+     <table>
     """ % (first_tab+extra_dimension_label)
 
             # Create the footer. This should be replaced by DTML
             # And work as some kind of parameter
             footer = """\
        <tr>
-        <td colspan="%s" align="center" valign="middle"
+        <td colspan="%s"
             class="Data footer">
         </td>
        </tr>