Relocate Source to proper directory.

src/main/java/appeng/server/ISubCommand.java

@@ -0,0 +1,13 @@
+package appeng.server;
+
+import net.minecraft.command.ICommandSender;
+import net.minecraft.server.MinecraftServer;
+
+public interface ISubCommand
+{
+
+	String getHelp(MinecraftServer srv);
+
+	void call(MinecraftServer srv, String[] args, ICommandSender sender);
+
+}