redesign for mulituser

change validation concept (client and server)
using entities

public/css/mawim.css

@@ -1,6 +1,10 @@
 .dt-amount, .dt-subamount{
     text-align:right;
 }
+.invalid-feedback{
+    text-align:right;
+}
+
 .dataTables_info{
     float:left;
     padding-top:0px !important;
@@ -10,6 +14,19 @@
     float:left;
 }
 
+.datatable-sorter {
+  color: inherit;
+  background-color: inherit;
+  border-color: inherit;
+  border: 0;
+  padding: 0;
+  font-weight:700;
+}
+.datatable-icon {
+  padding-left:0 !important;
+  padding-right:0 !important;
+}
+
 .toolbar, .syncbutton{
     float:left;
     padding-left:10px;