auto-commit: translation updates
take FOV into account when determining screen size of planets/stars
directly use the explicit vector3d->vector3f conversion
add SystemBody::GetAlbedo() to get a general/average color for a body

Not yet implemented in any sensible way. This just returns a constant
colour for all bodies.
use body 'albedo' colour rather than atmosphere colour for its billboard
reduce system-body billboard size threshold to 8 pixels (diameter)
Initial port of "explotion" code from Paragon.
Merge remote-tracking branch 'jpab/issue-2791'
reduce number of textures to 32, resize down to 256x256 from 1024x1024
Reduce the number of frames for the explosion.
auto-commit: translation updates
Correct the loading index and clamped range.
auto-commit: translation updates
hide cents for ship equipment prices
Try to avoid a whole bunch of divide by zeroes with the AI.
Merge remote-tracking branch 'fluffy/fix-ai-divzero'
formatting
don't scoop CargoBody objects that are dead. fixes #2644
auto-commit: translation updates
replace auto system selection comms with a button to show current state