Merge pull request #14 from wisthy/master

merge + comments + more refactoring
Update it_IT.lang
Merge pull request #15 from TheVikingWarrior/patch-1

Cement
Switching mix materials over to OreDictionary

AdvancedSmelting now uses OreDictionary names instead of "id:meta"
string
Special High Oven recipes (steel, quartz, ...) may now have null entries
Cleanup, sexification

Got rid of ugly commented code from previous commit
Looped over some lists to add steel smelting recipes
Merge pull request #3 from Toops/master

synchro from upstream