Added 4 View Cell Slots.

Multiple View Cells now sum together to allow more customization.
View Cells are now protected by Build Security.
Meteorite Compass now renders correctly in other peoples hands.

util/prioitylist/MergedPriorityList.java

@@ -0,0 +1,52 @@
+package appeng.util.prioitylist;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import appeng.api.storage.data.IAEStack;
+
+public class MergedPriorityList<T extends IAEStack<T>> implements IPartitionList<T>
+{
+
+	final List<IPartitionList<T>> positive = new ArrayList();
+	final List<IPartitionList<T>> negative = new ArrayList();
+
+	public void addNewList(IPartitionList<T> list, boolean isWhitelist)
+	{
+		if ( isWhitelist )
+			positive.add( list );
+		else
+			negative.add( list );
+	}
+
+	public boolean isListed(T input)
+	{
+		for (IPartitionList<T> l : negative)
+			if ( l.isListed( input ) )
+				return false;
+
+		if ( !positive.isEmpty() )
+		{
+			for (IPartitionList<T> l : positive)
+				if ( l.isListed( input ) )
+					return true;
+
+			return false;
+		}
+
+		return true;
+	}
+
+	@Override
+	public boolean isEmpty()
+	{
+		return positive.isEmpty() && negative.isEmpty();
+	}
+
+	@Override
+	public Iterable<T> getItems()
+	{
+		throw new RuntimeException( "Not Implemented" );
+	}
+
+}