get pxe - minor changes
get pxe - authentication is not necessary
get pxe - better exceptions catching
move deployment classes and functions into separated file
mass deploy - specify the CSV content in first step is not required now
mass deploy - management ip - could be non unique in the same CSV
mass deploy - management ip - could be non unique in the same CSV (step 2)
nexthostname - also check in discovery
Assume that auth is community by default in snmp
Add E5-2640 to cores heuristics
Merge github.com:allegro/ralph
Avoid empty cpu family in lshw
Use defaults in concurrent_get_or_create in ssh_onstor
Avoid empty family in ilo_hp
first free ip - top margin
style
device info and addresses forms - "next hostname" and "first free ip" suggestions
Merge pull request #379 from vi4m/deployment_fixes

Deployment fixes
Merge pull request #376 from deshipu/master

Discovery fixes
merge