Enable flight so servers don't spurg out

src/main/java/com/minelittlepony/unicopia/command/Commands.java

@@ -7,5 +7,7 @@ public class Commands {
     public static void init(FMLServerStartingEvent event) {
         event.registerServerCommand(new CommandOverrideGameMode());
         event.registerServerCommand(new CommandSpecies());
+
+        event.getServer().setAllowFlight(true);
     }
 }