bugzid 3618: use password callback method to set server passwords
fix api trace
fixed null pointer error
bugzid 3363: fixed credential validation to check account number as well as api keys

full account number should be returned when creating image objects
remove dispatcher polling for launchVMs if we already have the new
resource id
bugzid 3363: return account number provided by cloud when setting up new accounts
Merge pull request #49 from daniellemayne/develop

Develop - bugzid 3363: retrieve account number from cloud when creating new account