v0.3.40a released!

Changelog:
- Bug fixes and optimizations
- UI improvements
- Changed font from basis33 to monogram
- Improved camera movement
- Added minimap (Units on minimap blink if attacked)
- Made the gameplay more dynamic by reducing training times and build times, changes related to unit movement (Units now have a few moves per turn)
- Added recover button for Infantry, Heavy Infantry and Engineer
- Added unit names (e.g. "1-st Infantry Unit")
- Improved handling of multiplayer lobbies which have more than 2 players
- Reverted to old supply system
- Increased Supply Station range
- Initial implementation of air units
- Packet communication refactor (which means camera won't lag in high ping environment)
- Changed initial amount of MP available from 0 to 2
- Added vs_default4, a map for four players.
- Buffed Heavy Infantry
- Added a new building: Factory which gives +1 MP each turn
- HP of building under construction is now increased over time
- Added experimental steel button overlay which is turned off by default (can be changed in config)