0.259.0 - Hard Burn

This is another bugfix release, polishing up minor bugs and introducing minor features. Changelog:

• Engaging autopilot won't slow you down anymore if you are flying above it's limit. This enables you to use autopilots subsystems (targeting, stoping rotation) when doing fast burns.
• Adjusted lighting and performance in Dealer menu.
• Grinders of Eagle Prospectors in Dealer menu won't detach and drift away anymore.
• Burning fuel lines of a space station will not stop burning if you move camera away.
• Geologist and Astrogator HUD markers were shaking if you traveled at high velocity.
• Prices markers on Mineral Market for min and max prices won't go off-screen anymore.
• Used ship prices now include price of retrofitted HUD, autopilot and recon drone.
• Adjusted ship dealer prices to prevent potential abuse to gain money quickly.
• When hiring a crew member that you fired some months ago, he won't ask for salary for all the months he was unemployed.
• You can now select colorblind options with keyboard and gamepad.