Update openrct2 to 0.2.4
- Remember current group in scenario list window.
- Increase image list capacity by about 100k units.
- Increase the number of ride music played simultaneously from 2 to 32.
- Add the rain weather effect to the OpenGL renderer.
- Minimum load rounding.
- Better support for high DPI screens.
Test Plan: Continued playing with save from previous version.
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Differential Revision: https://dev.getsol.us/D7525