Alpha 10.5

FEATURES
- new law "Sports league" with 2 articles
- rule to disable constitutional laws changes during game
- rule to disable wars during game

IMPROVEMENTS
- more improvements to game flow
- more entries in the lawgiverspedia
- law cost rebalancing

FIXES
- person didn't display some activities
- hidden elements on calendar were displayed in calendar menu
- fixes to law status and process display
- income tax can't now have anymore lower income for higher brackets