Enable experimental BG update support (not well tested) (#25)

assets/translations/pl.json

@@ -251,6 +251,9 @@
     "sortByFileNamesNotLinks": "Sortuj wg nazw plików zamiast pełnych linków",
     "filterReleaseNotesByRegEx": "Filtruj informacje o wersji według wyrażenia regularnego",
     "customLinkFilterRegex": "Niestandardowy filtr linków wg. wyrażenia regularnego (domyślnie \".apk$\")",
+    "appsPossiblyUpdated": "App Updates Attempted",
+    "appsPossiblyUpdatedNotifDescription": "Notifies the user that updates to one or more Apps were potentially applied in the background",
+    "xWasPossiblyUpdatedToY": "An attempt was made to update {} to {}.",
     "removeAppQuestion": {
         "one": "Usunąć aplikację?",
         "other": "Usunąć aplikacje?"
@@ -294,5 +297,9 @@
     "xAndNMoreUpdatesInstalled": {
         "one": "Zaktualizowano {} i jeszcze 1 aplikację.",
         "other": "Zaktualizowano {} i {} aplik."
+    },
+    "xAndNMoreUpdatesPossiblyInstalled": {
+        "one": "Attempts were made to update {} and 1 more app.",
+        "other": "Attempts were made to update {} and {} more apps."
     }
 }