Basic enhancement of the grid for overall usage

has some performance improvement
replaced outdated classes

src/main/java/appeng/me/GridConnection.java

@@ -18,10 +18,12 @@
 
 package appeng.me;
 
+
 import java.util.Arrays;
 import java.util.EnumSet;
 
 import net.minecraftforge.common.util.ForgeDirection;
+
 import appeng.api.exceptions.FailedConnection;
 import appeng.api.networking.GridFlags;
 import appeng.api.networking.IGridConnection;
@@ -75,18 +77,18 @@ public class GridConnection implements IGridConnection, IPathItem
 		this.fromAtoB = fromAtoB;
 		sideB = b;
 
-		if ( b.myGrid == null )
+		if ( b.getMyGrid() == null )
 		{
 			b.setGrid( a.getInternalGrid() );
 		}
 		else
 		{
-			if ( a.myGrid == null )
+			if ( a.getMyGrid() == null )
 			{
 				GridPropagator gp = new GridPropagator( b.getInternalGrid() );
 				a.beginVisit( gp );
 			}
-			else if ( b.myGrid == null )
+			else if ( b.getMyGrid() == null )
 			{
 				GridPropagator gp = new GridPropagator( a.getInternalGrid() );
 				b.beginVisit( gp );
@@ -113,7 +115,7 @@ public class GridConnection implements IGridConnection, IPathItem
 
 	private boolean isNetworkABetter(GridNode a, GridNode b)
 	{
-		return a.myGrid.isImportant > b.myGrid.isImportant || a.myGrid.size() > b.myGrid.size();
+		return a.getMyGrid().getPriority() > b.getMyGrid().getPriority() || a.getMyGrid().size() > b.getMyGrid().size();
 	}
 
 	@Override