Added empty scenarios.
Delete vnet_isolation_spec.rb
Scenarios are pending.
Created a scenario which tests creation/deletion of network.
Added index method to return collection
Implemented a scenario: network creation/deletion
add and enable unicorn-worker-killer gem.
Implemented a scenario: confirm immutable parameters.
Added update task to mussel network
Implemented a scenario: instance with static ip
fix configuration type check.
move type check validation to configuration module.
define conf class barely.
Run instance with specified ip and mac address.
Wait until instance be ssh ready.
Implemented a scenario: network deletion fail if instance exist
Add mussel_dolphin.sh
Add api notification.
Add api event.
Implemented a scenario: instance power on/off.