code refactoring
Festival planing window add.
City festival service add.
add festival service to city services pool.
rename some files.
Code syntax fixed.
Game class semantic fixed.
TilemapCamera now used in CityRenderer only.
TilemapCamera code refactoring.
Minimap move to own class.
Add autogenereate oc3_project_version.hpp
GameEvent system improved. Scenarion union with Game.
ScreenGame improved.
GuiEnviroinment class improved.
file names improved.
add lost files.
Send to city window add.
Reservoir work fixed.
Fontain work fixed.
Overlay drawing fixed.