0.16.1 "Second Australian Bloody Christmas Miracle" update

Changelog:

- Major Updates

  - Updated all engine thrust, turn, heat, and energy cost values to match the latest Endless Sky stats

    - Switched to new thrust and steering equation: ((thrust + steering) / outfit sizes) / X

    - X is in the range of 2000 and 1500 and decreases as the "size scale" of the engine increases

    - Tiny 1x1 engines have an X of 2000 while giant Vector Reality Engines have an X of 1500

  - Added descriptions for many, but not all, outfits and weapons

    - Most descriptions are currently for vanilla content; plugin content will be filled in another time

- Outfits

- Ships

  - Added the Gunbarge and Pirate Freighter to Pirates

  - Added the Hobby to Remnant

  - Added the Hyper-Ionized Plasma Cannon to the Ursa Polaris build

- Tech

- Other

  - Fixed an issue with the Dagger not showing the proper button

  - Slightly adjusted the velocities of a few ships

  - Fixed the display names for the D94-YV and the S3 Thermionic