rename run_axelrod to run_axelrod.py so that run_tournaments can be imported into other scripts
rename run_axelrod to run_axelrod.py so that run_tournaments can be imported into other scripts

risicle/Axelrod,bootandy/Axelrod,emmagordon/Axelrod,kathryncrouch/Axelrod,emmagordon/Axelrod,mojones/Axelrod,risicle/Axelrod,kathryncrouch/Axelrod,uglyfruitcake/Axelrod,uglyfruitcake/Axelrod,mojones/Axelrod,bootandy/Axelrod