Almost all the Ores

*fixed nether ores generation not working when clearNether config option was set to true
*fixed feature check causing crash with other mods due to casting problems

*Added biomes blacklists for groups of ores.
*Fixed automatic copper harvest level
*Fixed generation options not working properly: netherClear=true, handleEverythingInOverworld=false.
*Fixed infested stone handling.
*Adjusted nether sulfur spawning rate : veins per chunk 15 -> 11
*Adjusted nether gold spawning rate : vein size 25 -> 21, veins per chunk 5 -> 4
*Adjusted nether coal spawning rate: veins per chunk 6 -> 5