New building, Borderless window display mode and more

Hi guys,

new update 1.0.30 has been released

improvements:
+ added new display mode: borderless window
+ added new building: "herberk" (temporary accomodation for homeless people)
+ homeless people can freeze
+ middle mouse button restore selection of soldiers

bugfixes:
!+ fixed level of light after restore the game
!+ fixed crash when processing certain sky texture