Get Physical and LPAR NPIV WWN

output the WWNs to zoning without login in VIOs or HMC.
minor bugs on get physical and NPIV wwns
Update README.md
Deploy OS using NIM Server

Deploy OS using NIM Server close enhancement ticket #4
Many bugs Deploy OS NIM
add access on HMC and many bugs
bug and best config example.
Update README.md
Many bugs to deploy
view error
minor bugs and improvements
bug on lpar_netboot
Description on config.py about the IP GW Deploy.
correct position of comment gw deploy on config.
Back to old method of deploy
Tip included
Cleanup on Classes

Unnecessaries variables on the Classes.
Learning OO with Python :P
Check HMC, VIOS and NIM commands close ticket #12
Clear deployed OS from the NIM and reserved_ips

Close bug #10
changed data to month, day, year