Add label removeLonePairs to toAdjacencyList()

- enables printing adjacency lists without the number of lone electron
pairs per atom
- helpfulr for RMG-Java database query
Merge branch 'master' of https://github.com/bbuesser/RMG-Py
Add label saturateH to fromAdjacencyList()

- enables reading old Java-Style libraries for kinetics search on
website
Merge branch 'master' of https://github.com/bbuesser/RMG-Py