Add method Player::updateScore(). Improved seeder performances.
Improved performance on Sos calculation.
Fixed a bug provoking a wrons SOS calculation when deleting reports.
Merge branch 'refactor' into develop
Ajax is now used to update reports.
Reorganized some files.
Add a drag & drop feature to organize players.
Added Shufflebutton and OrderButton.
Merge branch 'develop'