-Add specs for delete_internet_service
…rt for Internet Service Node mocking
Many changes: -Become more of a proper Fog Service. -Drop most of the Collection/Model customizations. -Add a hook for services to do something after #new with the instance -Move to the ToHashDocument parser ... so no more having to actually make parsers. -Fog::Vcloud::Extension is kind of like Fog::Service, but for writing extension modules to Fog::Vcloud. -Fix up existing specs/mocks (they're not complete atm, but the existing ones are up to date). -Fog::Vcloud::Terremark::Ecloud gets almost all extensions implemented (almost). -Fog::Vcloud::Terremark::Ecloud bumped to working with the current TMRK API release. -Factor out some TMRK/ecloud specifc mock data into the ecloud module. -Probably forgetting something.