Updated adjacency lists to new style for atom-centered solvation groups.

Since the N and S groups weren't in master, the updates were not applied to them. This adds the unpaired electron labels for these groups.
Updated adjacency lists to new style for non atom-centered solvation groups.
Added multiplicity label for all molecules in the solute library.

I made them all have multiplicity = 1. For the existing entries I think this
should be correct...