game_play.php: show game stats for previous 1.6 games
game_play.php: show game stats for previous 1.6 games

All the 1.6 games were missing the "Game Stats" page, so add it!

The "History" databases (for versions prior to 1.6) still have more
post-game information available, but including the basic Game Stats
gives us a good starting point for further enhancements.

smrealms/smr,hemberger/smr,hemberger/smr,hemberger/smr,smrealms/smr,smrealms/smr,hemberger/smr