select a single non-empty family for all CPUs on a device; bail if none found
if we cannot determine family code properly, bail.

after checking which families generate problems, the fix should be in
discovery/hp_ilo.py to simply not yield these incomplete processors for further
storage.
PEP-8 formatting
don't fake a family if non known
PEP-8 formatting
Merge branch 'master' of ssh://github.com/allegro/ralph
include discovered IP address in DiscoveryWarnings
deploy form - first propose mac addresses from DHCP
Merge remote-tracking branch 'allegro/master' into deployment2
re-deployment - add comment to remarks field only if it was not empty
review fixes
plugin dns executes after plugin role
Merge pull request #403 from andrzej-jankowski/deployment2

deployment - minor changes
Merge pull request #402 from quamilek/dev

Bugfix reports margins view - too many arguments
Merge pull request #401 from ambv/master

Discovery fixes: CPU family and DiscoveryWarnings lacking `ip`
Append DNS records from csv file