Added description of several game mechanics.
Fixed a bug with the inability to activate the drone in a multiplayer mode.

New game mechanics;
Fixed some errors and bugs.

Modified revive system - now you can order units to treat the wounded squad members.

Fixes many bugs, including the inability to disable the music, errors in running the game on a dedicated server and much more.

Fixed scripts conflicts when after opening the virtual arsenal and subsequent revival in multiplayer mode many functions become unavailable.

Fixed some bugs when initializing mission in MP mode.

Fixed a bug where after using the loading is not available provided air support. Fixed bugs air support. Fixed scripting error after the introductory task.