Update MetallurgyMetals.java

Added recipe for Deep Iron Dust + Prometheum Dust
Added Recipe for Meutoite ingots

Recipe added: 4Meutoite ingots in a circle -> 4 Ender pearls
Closes #52
Fixed gunpowder recipe

Charcoal + Sulfur + Saltpeter = Gunpowder x4
Closes #59
Corrected Lead recipe

Crafting with a slime ball gives you 2 Leads.
Merge pull request #62 from Taschenrechner/patch-1

Recipe Deep Iron dust + Prometheum dust
Merge pull request #64 from Taschenrechner/patch-2

Added Recipe for Meutoite ingots
Merge pull request #66 from Taschenrechner/patch-4

Corrected Lead recipe
Removed extra Angmallen recipe
Changed Match recipe output to 4

Closes #57
Merge pull request #65 from Taschenrechner/patch-3

Fixed gunpowder recipe
Fixed #22, #68, #70 and half of #58
Fixed match changing magnesium igniter
Merge pull request #71 from lclc98/master

Fixed #22, #63, #70 and half of #58
Converted raw types to parameterized types
Commented dead code
Changed Array keyed maps to more efficient and intuitive guava provided Table types
Fixed raw types
Fixed raw types and replaced iterator with more efficient for...each loop
- Replaced raw types with parameterized types
- Removed unused code (in some cases reducing memory use by removing unused created objects)
Added proper mod meta data file