Give Mollys equal gold mining bonus to BMM

[Karst]

Both Hessians and Mollys have official factions representing them, and improved mining bonuses are a faction perk type that's available (including for indies). I doubt a full 4.0 like their respective lawful counterparts would ever get approved, but perhaps 3.0-3.5?
What they have now is unusable in the Mollys' case and poor in the Hessians.

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