Updated old code so games can be started

Fixed issue where you couldn't create a game
Fixed issue where you couldn't accept games
Fixed issue where board wouldn't load
Removed PHP shor ttags
Added missing '' enum type games table ENUMs
Added missing userlevel column to players table
Updated players table definition to hold thw md5 password and change the
CHARs to VARCHARs
Removed misc PHP warnings and notices

Note that I didn't do anything to fix the quality of the code. I just
want to get it up and running