Merge branch 'datatablessavestate' into 'master'

Add DataTables stateSave feature

See merge request allianceauth/allianceauth!1374

allianceauth/groupmanagement/templates/groupmanagement/audit.html

@@ -127,6 +127,8 @@
                 ],
                 bootstrap: true
             },
+            "stateSave": true,
+            "stateDuration": 0
         });
     });
 {% endblock %}

allianceauth/groupmanagement/templates/groupmanagement/groupmembers.html

@@ -104,7 +104,9 @@
                     "sortable": false,
                     "targets": [2]
                 },
-            ]
+            ],
+            "stateSave": true,
+            "stateDuration": 0
         });
     });
 {% endblock %}