Merge pull request #3 from d60-jbc/master

New rating system
Removed unused file
Support for adding scores to games
Small changes to prepare for better errors when submitting faulty games
More Small changes to prepare for better errors when submitting faulty games
Small error fixes
Merge branch 'master' of http://github.com/Mech0z/TableTennisScoreBoard
Added error messages when validation fails
Diversification increased to 20. Max = 40, min = 0