Nits

KotlinCore/src/de/steamwar/kotlin/message/ComponentMessage.kt

@@ -32,13 +32,12 @@ class ComponentMessage(private val resourceBundleName: String, private val class
 
     override fun name(): Key = Key.key("steamwar", resourceBundleName)
 
-    override fun translate(key: String, locale: Locale): MessageFormat? {
-        val rb = ResourceBundle.getBundle(resourceBundleName, locale, classLoader)
-
-        return if (rb.containsKey(key)) {
-            MessageFormat(rb.getString(key), locale)
-        } else {
-            null
+    override fun translate(key: String, locale: Locale) =
+        ResourceBundle.getBundle(resourceBundleName, locale, classLoader).let {
+            if (it.containsKey(key)) {
+                MessageFormat(it.getString(key), locale)
+            } else {
+                null
+            }
         }
-    }
 }

TNTLeague/src/de/steamwar/tntleague/command/InviteCommand.kt

@@ -55,4 +55,4 @@ object InviteCommand: SWCommand("invite") {
     fun isLeader(): TypeValidator<Player> {
         return TypeValidator<Player> { _, player, _ -> TNTLeagueGame.getTeam(player)?.leader == player}
     }
-}
+}