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/parts/layers/LayerPressure.java

@@ -19,31 +19,31 @@
 package appeng.parts.layers;
 
 
-import javax.annotation.Nullable;
-
-import net.minecraftforge.common.util.ForgeDirection;
-
-import pneumaticCraft.api.tileentity.IAirHandler;
-import pneumaticCraft.api.tileentity.ISidedPneumaticMachine;
-
-import appeng.api.parts.IPart;
-import appeng.api.parts.LayerBase;
-
-
-public class LayerPressure extends LayerBase implements ISidedPneumaticMachine
-{
-
-	@Nullable
-	@Override
-	public IAirHandler getAirHandler( ForgeDirection side )
-	{
-		IPart part = this.getPart( side );
-		if( part instanceof ISidedPneumaticMachine )
-		{
-			return ( (ISidedPneumaticMachine) part ).getAirHandler( side );
-		}
-
-		return null;
-	}
-
-}
+//import javax.annotation.Nullable;
+//
+//import net.minecraftforge.common.util.ForgeDirection;
+//
+//import pneumaticCraft.api.tileentity.IAirHandler;
+//import pneumaticCraft.api.tileentity.ISidedPneumaticMachine;
+//
+//import appeng.api.parts.IPart;
+//import appeng.api.parts.LayerBase;
+//
+//
+//public class LayerPressure extends LayerBase implements ISidedPneumaticMachine
+//{
+//
+//	@Nullable
+//	@Override
+//	public IAirHandler getAirHandler( ForgeDirection side )
+//	{
+//		IPart part = this.getPart( side );
+//		if( part instanceof ISidedPneumaticMachine )
+//		{
+//			return ( (ISidedPneumaticMachine) part ).getAirHandler( side );
+//		}
+//
+//		return null;
+//	}
+//
+//}