Fix for ClassCastException

Fixing the class cast exception I caused for mobs in factory pools. This
means mobs will gain the positive buffs from pools of factory liquids
though.
Unifier is bucketable
Register TF breeder food
Improvements for manuallyFill/DrainTank
Merge branch 'master' of https://github.com/powercrystals/MineFactoryReloaded
Merge pull request #118 from Yoshi667/master

Fix for ClassCast exception crash.
Fixed a missing pixel in the vet GUI
Added auto-brewer
Fixed Ejector duplication glitch
Fix NPE in BFG GUI. TLA.
Conveyors reverse on negative rednet signal?
Revert "Improvements for manuallyFill/DrainTank"

This reverts commit 46c4c523a243b9cb7d4e9bbbd4f5a4af7d054a3c.
Conveyor reversal fixes
Conveyor reversal fixes, with feeling!
Conveyors, now with block updates!

just what you wanted
Conveyors, now with client packets!
RedNet cabling properly transmits negatives
Removed needless clamping of inputs to 0
Item Router has option to reject unmapped items
Try again to fix denying block activation