Updates BuildCraft to 7.0.9

Split dependency logic on the BuildCraft modules.
Config needs to be reset, if BuildCraft was disabled actively,
because now there are 3 BC modules to be taken account of

src/main/java/appeng/integration/IntegrationRegistry.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
+ * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
  *
  * Applied Energistics 2 is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -21,6 +21,7 @@ package appeng.integration;
 
 import java.util.Collection;
 import java.util.LinkedList;
+import javax.annotation.Nonnull;
 
 import cpw.mods.fml.relauncher.FMLLaunchHandler;
 import cpw.mods.fml.relauncher.Side;
@@ -98,6 +99,7 @@ public enum IntegrationRegistry
 		return false;
 	}
 
+	@Nonnull
 	public Object getInstance( IntegrationType name )
 	{
 		for( IntegrationNode node : this.modules )