Update ko_KR.lang

Edited name form of pipes(<Material>+<Pipe Type>+Pipe to <Material>+Pipe+(<Pipe Type>). I think this is better than old form)
Edited name of Quarts Transport Pipe
Edited name of Filler(Old version's name is Filter(What?!?!))
Update ko_KR.lang

Edited translations of gates
Edited translations of gate options
Edited blueprint's name
Edited some space error
Merge pull request #170 from anesin1109/patch-1

Update Korean language file