Refactoring & Cleanup

Started cleaning up various methods and sloppy ordering...
Reduced TE3 slag output from 15% to 10%
Changed itemIsOre to something a little more accurate
Began implementing some suggested changes from wisthy
Continued refactoring...

See previous commit
Dropped silly private static stuff
Moved various common inventory methods to InventoryHelper (meant to do
this much, much sooner)
Finishing up ducts

Scorched Ducts should be good code, now.
Added cement entries to en_US.lang
Merge branch 'master' of https://github.com/Toops/TinkersSteelworks into
Toops-master

Conflicts:
	src/tsteelworks/blocks/logic/HighOvenDrainLogic.java
	src/tsteelworks/blocks/logic/HighOvenDuctLogic.java
	src/tsteelworks/blocks/logic/HighOvenLogic.java
	src/tsteelworks/blocks/logic/TSMultiServantLogic.java