Changed width of league start date input field.
Fixed button "Start tournament" could be clicked when actually disabled.
Auto focus on new player input field.
Merge pull request #50 from x3ro89/develop

Fixed button "Start tournament" and width of league start date.
First shot at implementing an ELO based ranking
ELO ranking for team matches
Renamed properties and methods
Refactored ELO ranking code
Added annotations for the point log model and refactored some ELO ranking code
Point log is now saved to the database in the ELO CLI ranking action
Player entity now saves current points and the match count of a player
Fixed dashboard
Match and player log and ranking is now saved for every played match
Fixed tests
Merge branch 'master' into elo
Fixes to the ELO ranking and added a player profile page which shows all played games of a player
Added Doctrine Migration to the project together with a migration class to update the current production database to ELO ranking
Database needs to be created with Doctrine Migrations from now on
Version is now 0.4.0