Merge branch 'gold' into beta

* gold:
  exported options #102 and diggingInvaders #106
  allow ammo metals
Orcfort: Added many missing reactions for ore-processor products to smelter.
Merge branch 'orc_rebalance' into beta

* orc_rebalance:
  Orcfort: Added many missing reactions for ore-processor products to smelter.