use case insensitive names in config

src/main/kotlin/mods/betterfoliage/BetterFoliageMod.kt

@@ -39,7 +39,7 @@ object BetterFoliageMod {
     @Mod.EventHandler
     fun preInit(event: FMLPreInitializationEvent) {
         log = event.modLog
-        config = Configuration(event.suggestedConfigurationFile, null, true)
+        config = Configuration(event.suggestedConfigurationFile, null, false)
 
     }