Changeset 1244 in eirsvn

t17, m8 no longer affected by armor T2 tank command aura
tiger ace now gives more XP when killed (18 to 22)
fixed jeep getting 20% more received accuracy at vet 2. should be 20% more weapon accuracy
custom vet for m20 scout car:
5 xp - 0.75 rec. accuracy
20 xp - 1.15 accuracy, +5 sight, 1.2 acc/dec
50 xp - 1.2 hp, +5 sight