v0.977 released

This version is updated more.
1. Add map function, add monster and navigation point direction
2. Floors and walls can be specified as hollow/solid, or circular and square layouts.
3. More types of wall
4. You can switch new roles on the same map
5. Water source related buildings: pumping station, water well, sand field
6. Adding clay mines, clay mines, clay making machines, clay excavators
7. New oil production plant: Biomass energy refinery
8. Support 3x3 tiles size buildings: sand and gravel, nuclear power plant, biomass energy refinery
9. Add some sound effects