Add Grid Coordinates to the Map

[KingKire]

Summary:
Add Grid coordinates to the map so officers and troops can coordinate better if they wish. Possibly clean up the map/ minimize the weyland yutani logos so its easier to read.

BenefiTS:
Roleplaying, Coordinating squads.


Details:
Either 4 digit or alphabetical - numeral coordinates used for the map grid ( A-1, 0304, etc.)

[NoahKirchner]

+1 x 3000 (+3000) Please, it'd make giving rally points to marines much easier and give maps a purpose.

[Sarah_U.]

Maps are 1000x1000xZ-Level max.
Start from a corner and use this to base the code, fetching the maximum distance or an object to take as a reference.

[Snypehunter007]

Old. No support.

Locking.