nav: increase recent-probe repeat time
bot: allow to camp with secondary weapon if enough friends alive
bot: think runs now at minimum 50fps, instead of every frame on xash3d
bot: make multilingual system work on xash3d (except menus right now)
engine: mark xash3d engine as modern game version
engine: add xash3d-specific cvars that are not registered on goldsrc
cfg: do not spam on logs if multilingual or chatter configs not loaded because of game version