tor: provide a default 'nickname' (something like
"rabbitLKJYW23695JGLKJ" where rabbit is the node name). Stop shipping a
static 'family' and instead provide a comma separated list of node tor
nicknames. (#5220)

Change-Id: I479f460ab230ad440f72c78dc6362983387ce12a
create a /var/run/tapicero directory, owned by tapicero:tacpiero to hold
the pid file (#5577)

Change-Id: I2144e3d8c0ee18254fe3822098c87b2a8c57c2ce