Show private key in response if user ask to regenerate it
Add option to save private key in a file
Look at the result response instead of request fields
Remove unnecessary print in opc_user_edit.rb
Merge branch 'bug/show-new-private-key-after-user-edit' of https://github.com/nomadium/knife-opc into nomadium-bug/show-new-private-key-after-user-edit
Typo: unchaged -> unchanged