Adjusted Port for Rust to remove offset by 1.
Adjusted Port for Rust to remove offset by 1.

The query port was changed to the game port instead of being offset by
1 as mentioned at http://playrust.com/devblog-74/. Duplicated the line
and renamed the old to rustlegacy for backwards support.

xCausxn/node-gamedig,sonicsnes/node-gamedig