Send seed to engine to receive random map previews

- Move EngineInstance into a separate module - Refactor ipc a bit and process messages

Implement send_ipc and read_ipc in engine lib, send_ipc in frontend

prevent qtmain from not being linked in on windows

Add Mutant game scheme, and adapt Mutant for the newly unlocked settings

prevent SDL2main from being linked in on windows

add cfg for mutant

I think this is correct way to use iterate over it as a hashmap. don't have much lua practice

oops

flag crates since waste of time for mutant.

force-disable video recording if C build is enabled.

silence warning

Use question mark approach also in IPC::read

IPC implementation

Update russian frontend translation

Clean up 0.9.25 changelog a bit

Fix fpcrtl_strcompare broken in previous commit

No, it doesn't seem legit

Start outlining ipc subsystem

Parse and render more messages

Thas else() in paths.cmake did not make sense. Hopefully this fixes Fedora build issues

Don't aggressively delete air mines in Racer

Unify fpcrtl_pchar2astr look with fpcrtl_pchar2str

Handle NULL pchar in pchar2astr

Remove erroneous code duplicating FIX_STRING functionality, adjust ansistring array size

as much as howling hedgehogs is hilarious, it might be confusing at first

merge

Update russian frontend translation

Merge with master branch

Adapt russian translations and fix misprint