"Find Gem" talent replaced with rare chance to auto-craft

Build 0.2.46

-Find Gem talents have been replaced with a rare chance to auto-craft! Mine an iron ore, get a chance for an iron bar or brick. Fish -> Grilled fish. Logs -> Lumber.

-Gems now can be obtained without a talent investment.

-Gems now are more prominent when obtained.

-Jewelcrafting has had exp boosted significantly.