doubled HANG_UP if offer no attractive / crew contract - BBchat
Merge remote-tracking branch 'radius75/hang_up_bbchat_crew_contract'
changelog: fix whitespace
auto-commit: translation updates
auto-commit: translation updates
Track bodyIcons in SystemInfoView by bodyIndex instead of name (fixes #2848).
Fix crazy use of RefCountedPtr in StarSystemCache.
Basic GalaxyGenerator infrastructure
Move Sector generation code to SectorGeneratorStages.
Move StarSystem generation code to StarSystemGeneratorStages.
Avoid StarSystem's excessive list of Generator friends with a variant of the Attorney-Client pattern.
Move Populate to a separate StarSystemGenerator.