Multiplayer friends list - by alexban 011

By Azzurite:
- Improve performance of worldmap panning
- Fix multiplayer sometimes duplicating games
- Allow non-SSL-encrypted HTTP traffic & warn Dropbox users

By OptimizedForDensity:
- Fix aircraft disappearing when carrier is teleported
- Pillaging certain improvements yields stats

By SomeTroglodyte:
- Fix Pixel unit nation colors after combat

Autoassign population when the manual assignment fails - By JackRainy