VRT - Bomb Vests

Addition of bomb vest AI within default FIA groups for PVE scenarios, using Skyrbose's Middle East Insurgents mod!

- Bomber Groups:
   - Anti-Tank Team (TEAM_AT) Anti-Tank Specialist Assistant Armed with Vest DMS
   - Machine Gun Team (TEAM_MG) Assistant Machine Gunner Armed with Bomb with timer
   - Sentry Team (TEAM_SENTRY) Special Forces Grenadier Armed with HE Mortar Bomb Vest
   - Rifle Squad (SQUAD_RIFLE) Special Forces Sapper Armed with     Armed DMS Attachment