Updated message bundles.

public/intl/messages/pl-PL.json

@@ -333,6 +333,12 @@
       "value": "Leave team"
     }
   ],
+  "label.login": [
+    {
+      "type": 0,
+      "value": "Zaloguj się"
+    }
+  ],
   "label.logout": [
     {
       "type": 0,
@@ -981,4 +987,4 @@
       "value": "Websites can be viewed by anyone on the team."
     }
   ]
-}
+}