adding import image
return name and use it for a response message
fixing test error
change test case and user response
correct test comment
bug in ref code
removing credenstials from "nas list"  and adding then to "nas credentials id"
add nas credentials list
add credentials cli for vs, server
make test compatible
indent
Update User-agent
remove extra lines
Merge pull request #454 from sudorandom/update-user-agent

Update User-agent
Merge pull request #453 from Neetuj/issue431

adding credentials CLI commands for nas,vs,server
Merge pull request #447 from Neetuj/issue420

adding import image