Removed Block Definitions for MAC Parts.

Removed Options For MAC and Crafting.
Added Options for Crafting with Quartz Growth and Fluix Reaction.
EU Tunnels Re-Added ( Limit 1 per block. )
Adjusted naming/categorization of various features.
Added "sparkle" effect to seeds that are "growing"

entity/EntitySingularity.java

@@ -12,6 +12,8 @@ import net.minecraft.util.DamageSource;
 import net.minecraft.world.World;
 import net.minecraftforge.oredict.OreDictionary;
 import appeng.api.AEApi;
+import appeng.core.AEConfig;
+import appeng.core.features.AEFeature;
 import appeng.util.Platform;
 
 final public class EntitySingularity extends EntityItem
@@ -44,6 +46,9 @@ final public class EntitySingularity extends EntityItem
 		if ( Platform.isClient() )
 			return;
 
+		if ( !AEConfig.instance.isFeatureEnabled( AEFeature.inWorldSingularity ) )
+			return;
+
 		ItemStack item = getEntityItem();
 		if ( AEApi.instance().materials().materialSingularity.sameAs( item ) )
 		{