Make sure relay protocol lists are sorted
Tor's directory specification says that protocols should be sorted by keyword:
https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n802
But many relays current protocol lists are:
`Cons=1-2 ... Relay=1-2 Padding=2 FlowCtrl=1`
We should sort these lists, and make sure they stay sorted.
issue