Restart species.txt files: Only write heavy atoms
Restart species.txt files: Only write heavy atoms

The Restart core/edgeSpecies.txt files were being written with all atoms
(including H).  Changed toString() method to toStringWithoutH()

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