fixed some derps in MT script

was returning a null element wrapped in a valid Element, fixed it to
return null.
The synthesiser example was just weird
Merge remote-tracking branch 'upstream/master'
Reverted @way2muchnoise breaking the synth output

And some other synth output bugs
One thing that may prove an issue is EnderIO conduits pulling from the
synth by default only pull 4 items, and we basically discard any crafted
stuff that is not pulled when it is called, so you get some wastage
reblanced some recipes #529
coverts book stuff to super recipe
fixes #531
prevent empty tubes being used in fusion chamber
glass recipe fix re: IRC
better fusion fix
derp
fixes clay dupe
Merge pull request #530 from hilburn/master

MT and Synth fixes