optimize image listing to load only once.
Setup Gemfile for azure integration tests
Setup spec helper for azure integration tests
Added configuration files for azure integration tests
Added basic server create, delete, list and image list integration tests
optimize azure image list classes.
optimize azure storage account lookups.
optimize hosted services lookup.
Added integration tests for linux platform and some for Windows platform
optimize deployments load.
optimize and rename deploy name lookup method
optimize deploys load within a hosted service.
optimize role lookup within hostedservice
update Roles#alone_on_host to use new find methods.
hash the roles within deploy
use hostedservice find_role rather thatn iterating all roles.
Roles #exists return boolean
Added integration tests for help and invalid publishsettings, id_rsa file
optimize image listing to load only once.
optimize azure image list classes.