ui: make the admin grids display nicer withour wrapping users/emails.

rhodecode/public/css/tables.less

@@ -29,6 +29,16 b' table.dataTable {'
         font-style: normal;
     }
 
+    .td-user {
+      .rc-user {
+        white-space: nowrap;
+      }
+    }
+
+    .td-email {
+      white-space: nowrap;
+    }
+
     th,
     td {
         height: auto;