Merge branch 'master' of https://github.com/gildas-lormeau/SingleFile

Former-commit-id: 426fc9475f9a4b3379ffd81c164bd1e69557b212

_locales/pl/messages.json

@@ -92,7 +92,7 @@
 		"description": "Button title during save: 'Save progress: xx%'"
 	},
 	"buttonUploadProgressTooltip": {
-		"message": "Upload progress: ",
+		"message": "Postęp przesyłania: ",
 		"description": "Button title during save: 'Upload progress: xx%'"
 	},
 	"buttonOKBadge": {