Alpha 11.4

FEATURES
- new events category "Achievements" with 2 events
- new events category "Desease" with 2 events
- new events category "Technology" with 2 events
- scenario can now have custom game rules
- 2 more articles for "Food regulation" law

IMPROVEMENTS
- improved parameters balance
- improved governemnt measures balance
- ui information and navigation
- voters flow in multipolar systems

FIXES
- gdp, market and resource system
- some fixes to articles selection on law creation
- some wrong information displayed