properties changes are also logged in history
migration added
PEP 8
Fixed concurrent_get_or_create for puppet plugin (facts)
Discovery: fix for ipmi plugin
Discovery: fix for ssh_aix plugin (concurrent_get_or_create)
PEP 8
Discovery: fix for ssh_hp_msa plugin (concurrent_get_or_create)
PEP 8
Discovery: fix for ssh_3par plugin (concurrent_get_or_create)
PEP 8
Discovery: fix for ssh_onstor plugin (concurrent_get_or_create)
Discovery: fix for ilo_hp plugin
Merge remote-tracking branch 'allegro/master' into discovery
missing commas and comments added
Merge pull request #409 from andrzej-jankowski/history

Properties changes are also logged in history
Merge pull request #411 from andrzej-jankowski/discovery

Discovery: fixes for plugins: puppet, ipmi, ssh_aix, ssh_hp_msa, ssh_3par, ssh_onstor, ilo_hp
Merge remote-tracking branch 'allegro/master' into dev
after review fixes