Changelog:

Fixed some missing sound effects.
Added new tutorial slide for calcuating combat damage
Updated tutorial images to a better aspect ratio
Fixed grammar errors in some tutorial slides.

Patch Notes:
- Fixed a bug where Gavan would not load correctly on mission 5.
- Fixed an issue where you couldn't use the arrow keys to select targets.
- Fixed an issue where AI Rider units would sometimes move to the square of another unit that hadn't moved yet.
- Renamed "End Turn" (single unit) to "Wait" to make it distinct from "End Turn" (all units).
- Updated some text that wasn't going through the localisation system.
- Added Controller support.