Merge pull request #716 from Jodell88/1.7

Method typo fixes
moved generators into their own package
Added zombie head generator.
Zombie gen is done!
fixed typo in variable name itemConduitUsePhysicalDistance
Fixed typo in variable name darkSteelPickEfficiency.
Fixed typo in variable name darkSteelPickEfficiencyBoostWhenPowered.
Fixed typo in variable name darkSteelAxeEfficiencyBoostWhenPowered
Fixed typo in variable name addFurnaceFuelTooltip
Fixed typo in variable name addDurabilityTooltip
Numerous fixes of typos and grammar.