Add new methods to GameService
Move playground model to separate package.
Add games list and game detail.

Filtering is just basic for now and replaying the games will be improved
in near future. Currently in state of WIP.
Extend amount of information parsed from game report.
Few enhancements to game list and detail.

Move game replay to popup panel, polish the code a bit.
Add a new service for retrieving users.
Add String only constructor to Tournament.
Fix filters in GamesList.