Pathpol: JSON keys should be snake_case (#2917)
Pathpol: JSON keys should be snake_case (#2917)

This is an effort to use a more standard JSON naming scheme.
Oncilla/scion,Oncilla/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,netsec-ethz/scion,Oncilla/scion,netsec-ethz/scion