Fix for issue #135. Minor changes.

Elaborated rules for tournament poker. Fixed output for "top" command in
tournament poker when outputting multiples of 10. Fixed stacks output at
the end of a round in tournament poker to show "OUT" for players who've
quit during that round.
Fix for issues #131,#136. Other small fixes.

Added "stop" command for TexasTourney to allow players to cancel a
tournament. Added TourneyPokerPlayer.java to facilitate this. Updated help
file and strlib for changes. Updated "fstop" for all games to be more
robust. minraise is now updated properly for TexasTourney.
Merge branch 'testing'