fixed bug where rotor scans involving molecules with pi systems were not working
fixed bug where rotor scans involving molecules with pi systems were not working

problem was that "line 1a" (used for pi systems) rather than line 2 was being modified to specify rotor calculations and MM4 was not able to parse extra line at end of rotor job input file

nyee/RMG-Java,rwest/RMG-Java,enochd/RMG-Java,enochd/RMG-Java,ReactionMechanismGenerator/RMG-Java,nyee/RMG-Java,KEHANG/RMG-Java,jwallen/RMG-Java,jwallen/RMG-Java,rwest/RMG-Java,connie/RMG-Java,jwallen/RMG-Java,KEHANG/RMG-Java,nyee/RMG-Java,jwallen/RMG-Java,keceli/RMG-Java,keceli/RMG-Java,keceli/RMG-Java,enochd/RMG-Java,connie/RMG-Java,jwallen/RMG-Java,faribas/RMG-Java,KEHANG/RMG-Java,KEHANG/RMG-Java,jwallen/RMG-Java,enochd/RMG-Java,ReactionMechanismGenerator/RMG-Java,nyee/RMG-Java,ReactionMechanismGenerator/RMG-Java,keceli/RMG-Java,faribas/RMG-Java,faribas/RMG-Java,connie/RMG-Java,enochd/RMG-Java,connie/RMG-Java,keceli/RMG-Java,rwest/RMG-Java,faribas/RMG-Java,nyee/RMG-Java,ReactionMechanismGenerator/RMG-Java,KEHANG/RMG-Java,keceli/RMG-Java,enochd/RMG-Java,KEHANG/RMG-Java,connie/RMG-Java,nyee/RMG-Java,rwest/RMG-Java,ReactionMechanismGenerator/RMG-Java,rwest/RMG-Java