Alpha 11.3

FEATURES
- new events category "Discovery" with 3 positive events
- new law "Weather monitoring" and 3 articles

IMPROVEMENTS
- gdp growth affects bonds selling
- filter mayors on world map
- filter wealth in institutions
- display when victory points get obtained on calendar
- many improvements on UI
- rebalance recognition

FIXES
- bugs when changing some constitutional laws
- bugs on law creation
- a few regressions