Fix player entity meta data

I'm not 100% confident that what I'm doing here is correct, but looking at http://wiki.vg/Pre-release_protocol#Spawn_Player I think I'm doing it right.

fixes #58

src/main/java/us/myles/ViaVersion/transformers/OutgoingTransformer.java

@@ -393,6 +393,9 @@ public class OutgoingTransformer {
             byte yaw = input.readByte();
             output.writeByte(yaw);
 
+            // next field is Current Item, this was removed in 1.9 so we'll ignore it
+            input.readShort();
+
             transformMetadata(id, input, output);
 
             return;