Merge pull request #157 from petithug/various-nits

Various nits
Various nits

- nits on via_list
- Nit on User definition.
- s/apending/appending/
- s/false (0)/false(0)/
- s/ForwardingOption/ForwardingOptions/
- s/ICE ,/ICE,/
- s/bootstrap-peer/bootstrap-node/