Slightly improve stats for nomads

[hiergiltdiestfu]

• contruction: It's a real pain to see them struggling putting up a pen over a whole week..
• increase on-the-road and afterglow buffs

[hiergiltdiestfu]

Cooking+

[hiergiltdiestfu]

For Nomadic

• Nerf Construction from -4 to -6
• Buff Animals from +4 to +6
• Buff socialFightChanceFactor from 0.5 to 0.33
• Buff ConstructSuccessChance from -0.1 to -0.05
• Buff ConstructionSpeed from -1.75 to -1.5
• Buff TameAnimalChance from +0.5 to +0.75