Add winner() method to Pairing.  Introduced commons collections dependency.
Add loser() method to Pairing.
Clean up extra call to persist. Plus misc debug stuff
Add opponent() method in pairingEntry
Switch persistence back to  H2 in memory
Merge EliminatePairing
Continued development
Start grouping engine
More grouping work
Initialize list attributes on OneToMany relationships
Bracketing
Remove "seed" object
Start implementing 'bye' logic
Round advancing rules
More work on elimination type brackets.  Improving logic that randomly places byes
More work on elimination type brackets.  Improving logic that randomly places byes
More work on elimination bracket flow
More work on elimination bracket flow
More work on elimination bracket flow
Get round robing working again, clean up tests so they all run