- new map icons added

- fixed a "map sync" issue with multiple open tabs, #446
- fixed a bug where connections "disappear" from map for some seconds
- fixed a bug where "open ingame info" for char/system does not work in some UI tables
- upgraded [_Font Awesome_](https://fontawesome.com) icon lib `v5.2.0` → `v5.9.0`

app/main/controller/api/rest/system.php

@@ -36,7 +36,7 @@ class System extends AbstractRestController {
             ){
                 $systemData = $system->getData();
                 $systemData->signatures = $system->getSignaturesData();
-                $systemData->sigHistory = $system->getSignaturesHistoryData();
+                $systemData->sigHistory = $system->getSignaturesHistory();
                 $systemData->structures = $system->getStructuresData();
             }
         }