Patch 0.5.0.5 - Improved joystick support

UI

• Added option to either roll or yaw on the joystick X-axis
• Added display to controls-menu that shows which joystick buttons are being pressed
• Joystick button-mappings can now be set directly by pressing buttons on the joystick
• Added option to choose a slider for thrust: slider 0, slider 1, or 2 (Z-axis)
• Added option to invert the joystick-slider
• Changed behavior of joystick-sliders: the middle position idles, pulling back reverses, and pushing forward moves forwards

Visuals

• Lowered brightness of emissives on OBA freighters and outposts