Some more fixes for pedantic warnings.
Add comparison functors for SystemPath to compare by sector only and by system only.
Convert SectorCache to a template.
Rename SectorCache.* to GalaxyCache.*
Fixup vs2013 project
Don't assume that the master cache is the global cache.
Rename Sector::GetSystemPath to Sector::GetPath.
Use GalaxyObjectCache template for StarSystemCache.
Add a finish callback for cache filling.
Update StarSystem cache when switching spaces.
Galaxy cache usage statistics.
Remove Sector and StarSystem from the right cache attic.
Merge remote-tracking branch 'lwho/unified_cache'
auto-commit: translation updates
auto-commit: translation updates
auto-commit: translation updates
Use the newer sigc++2.3.1
Merge pull request #2897 from fluffyfreak/sigcpp231

Use the newer sigc++2.3.1
auto-commit: translation updates
Update the 3rd party libraries to ones built with vs2013