Amend environment checks
NPE fixes
Merge branch 'master' of github.com:SlimeKnights/TinkersConstruct
Merge pull request #290 from Glassmaker/Patch-2

Build Clean up
Stopgap for negative rendering in Smeltery air blocks, added SDX
Merge branch 'master' of https://github.com/SlimeKnights/TinkersConstruct
Less speedy Smeltery
Update it_IT.lang
Merge pull request #298 from TheVikingWarrior/patch-3

Update it_IT.lang
Toolparts melting & NEI Smeltery fix
Merge pull request #300 from Samtrion/master

Toolparts melting & NEI Smeltery fix
Adjust Smeltery syncing
Fixed Jack o'Latern Recipe & workbench oreDictionary Recipes
Merge pull request #301 from Samtrion/master

Fixed Jack o'Latern Recipe & workbench oreDictionary Recipes
Modifier Repair reworked

If needed you can repair with 2 items at a time. + Check whether one
item isn't enough.
Metal Blocks registered as repair material.
Bugfix: WoodPattern as Furnace Fuel
Merge pull request #302 from Samtrion/master

Modifier Repair reworked
Merge pull request #303 from Samtrion/master

Bugfix: WoodPattern as Furnace Fuel
Revert Smeltery to working code
Merge branch 'master' of https://github.com/SlimeKnights/TinkersConstruct