Patch v0.3.0.1

- Optimized drawing code for a huge boost in FPS
- Fixed villager starting size not using zoom level
- Fixed equipped highlight still showing in Trade window when scrolling
- Fixed UI not repositioning after toggling fullscreen
- Fixed placing a Torch not displaying preview of lit area
- Added ghost image preview of buildings
- Added weather to saving/loading
- Made crafting with metals unlock for player once Smeltery is built
- Added Gold Ingot crafting
- Adjusted cost of buildings