Merge pull request #120 from Greg-21/Polish-T9N

Update of Polish translation

Common/src/main/resources/assets/controlling/lang/pl_pl.json

@@ -3,13 +3,13 @@
   "options.showAll": "Wszystkie",
   "options.showConflicts": "Konfliktujące",
   "options.showNone": "Nieprzypisane",
-  "options.availableKeys": "Available Keys",
+  "options.availableKeys": "Dostępne klawisze",
   "options.sort": "Sortow.",
   "options.category": "Kategoria",
   "options.key": "Klawisz",
   "options.sortNone": "Brak",
   "options.sortAZ": "A->Z",
   "options.sortZA": "Z->A",
-  "options.toggleFree": "Toggle Free",
-  "options.confirmReset": "Kliknij, by potwierdzić reset!"
+  "options.toggleFree": "Wolne",
+  "options.confirmReset": "Na pewno?"
 }