Add pass through options in Sprucing

• Add a pass_through option in Sprucing lines
• Disable bankkiller if pass_through == True
• Update option file for pass through line tests、

Things to be done

• Resolve 2 output locations related to MC info ['/Event/Spruce/pSim/MCParticles', '/Event/Spruce/pSim/MCVertices']
• Add unit tests for pass through line

Related to lhcb-dpa/project#22 and lhcb-dpa/project#152. cc @nskidmor