Replaces old fluid handlers with the new capability based ones. (#2727)

* Changed ME Chest and P2P tunnels to use fluid capabilities.
* Renamed all occurrences of liquid to fluids.

src/main/java/appeng/parts/p2p/PartP2PTunnel.java

@@ -231,9 +231,9 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 				 * break;
 				 */
 
-				//case FLUID:
-				//	newType = parts.p2PTunnelLiquids().maybeStack( 1 ).orElse( ItemStack.EMPTY );
-				//	break;
+				case FLUID:
+					newType = parts.p2PTunnelFluids().maybeStack( 1 ).orElse( ItemStack.EMPTY );
+					break;
 
 				//case IC2_POWER:
 				//	newType = parts.p2PTunnelEU().maybeStack( 1 ).orElse( ItemStack.EMPTY );