sfa-1.0-2

Setting tag sfa-1.0-2
deprecated old methods (e.g. List/list, and GetCredential/get_credential)
NOTE:  get_(self_)credential both have type and hrn swapped when moving to Get(Self)Credential
hrn-urn translations tweaked
fixed 'service sfa status'
sfa-nuke-plc has a -f/--file-system option to clean up /var/lib/authorities (exp.)
started to repair sfadump - although not usable yet
trust objects now have dump_string method that dump() actually prints
unit tests under review
logging cleanup ongoing (always safe to use sfalogging.sfa_logger())
binaries now support -v or -vv to increase loglevel
trashed obsolete sfa.util.client