changed a few gear items to be in line w/ TAW 1Bn

-replaced white smoke w/ blue smoke grenades to all.
-Increased # of smoke grenades in some.
-Added: _scope4 = "optic_rco";  //RCO scope 10x
-Added _scope5 = "nightstalker";  //nightstalker: 5x-25x, thermal, NV
-replaced backpack white smoke grenades with blue
-added more blue smoke to some packs (e.g., medic)
-other?? (minor)