Write specs for login/logout

[billp]

Tasks

• Write specs for bin/jiralogwork login command as described bellow:
  • Valid username/password -> should print success message & configuration parameters should be updated
  • Invalid username/password -> should print failure message
  • Login while already logged in -> should print an already logged in message
• Write specs for bin/jiralogwork logout
  • If not logged in -> should print a not logged in message
  • If logged in -> should print log out successful & clear configuration parameters

Spec filename: spec/account_actions_spec.rb