add EstablishedPlayer and MarcusPaper
Oops
added Table 9 and switched to DiscreteNormalLaw
Fix bug in DiscreteLaw for sigma == 0
Reimplement Tournament algorithm per paper clarification and cleanups
Handle tails on endpoints of range in DiscreteLaw
Merge pull request #3 from palfvin/established_player

add EstablishedPlayer and MarcusPaper