Reduces visibility of internal fields/methods

Reduces the visibility of all fields to private and create setters/getters
when necessary. Exceptions are fields with GuiSync as these need to be
public.

Reduces the visibility of internal methods to private/protected/default when possible.

src/main/java/appeng/debug/TilePhantomNode.java

@@ -31,8 +31,8 @@ import appeng.tile.grid.AENetworkTile;
 public class TilePhantomNode extends AENetworkTile
 {
 
-	protected AENetworkProxy proxy = null;
-	boolean crashMode = false;
+	private AENetworkProxy proxy = null;
+	private boolean crashMode = false;
 
 	@Override
 	public IGridNode getGridNode( final AEPartLocation dir )
@@ -54,7 +54,7 @@ public class TilePhantomNode extends AENetworkTile
 		this.crashMode = true;
 	}
 
-	public void triggerCrashMode()
+	void triggerCrashMode()
 	{
 		if( this.proxy != null )
 		{