removed diag_physics_dt

autosave on exit

✨ New loading backgrounds

Merge pull request RigsOfRods#1248 from AnotherFoxGuy/return-of-the-C…

…rashRpt

Reimplemented CrashRpt

Merge pull request RigsOfRods#792 from ulteq/linux-mapbin-comeback

[Codechange] Reactived the terrain caching (mapbin) on linux

[Release] 0.4.5.1

Merge pull request RigsOfRods#380 from Max98/BugFixes-Clean

Bug fixes clean