Updated DB table definitions. (issue #125)

- Added "idle_outs" as a field for all PlayerStat tables
- Added PlayerIdleOut table for each game to track idle outs
- Added TPHand table and modified fields for TPPlayerHand
More DB work. (issue #125)

- Updated handling of hands storage in DB for TexasPoker
- Added handling of idle storage for all games
- A few small modifications to table definitions
Updated "migrate" command.

- Migration now consists of straight insertions of records and will fail
  when attempting to insert an existing player in the DB
- Added default values for "idles" during migration
DB optimizations. (issue #125)

- Disabled auto commit for transactions consisting of multiple statements
  so that the statements are treated as one transaction
- Created saveDBPlayerDataBatch() to allow multiple players to be written
  in a single transaction