Reduce speed of ranking with FW missions

Right now is FW missions are often abused by awoxers who kill friendly militia members. One loses faction standings by friendly kill but able to fix it in like 20-30 minutes by doing few L1/L2 missions to get next rank and regain statndings.

I think, it is good idea to decrease ranking speed with FW missions by factor of 10-20 (right now it is like 3-4 L1 missions gives you next rank at lower ranks which is ridiculous).