Added parallel processing for OpeningHours
Discounts were in wrong order
Refactored Grocer
Used netty for TCP-server
Merge branch 'master' of https://github.com/oglimmer/cyc into parallel_opening_hours
Fixed test for changed discount order
Fixed shutdown problem for Netty
Merge branch 'master' of https://github.com/oglimmer/cyc into parallel_opening_hours
Merge branch 'parallel_opening_hours'
GameResult and PlayerResult needs to be thread-safe now
Merge branch 'master' of https://github.com/oglimmer/cyc