added floatingip
added associate_floatingip and disassosiate_floatingip mock test
update associate_floatingip for real
deleted update_floatingip and changed variable name from floating_network_id to floatingip_id.
fixed disassociate_floatingip bug and update floatingip-* mock values.
updated for ruby naming conventions.
deleted old files eg. floatingip.rb
added server metadata operations for Fog::Compute::RackspaceV2
refactored Fog::Compute::RackspaceV2 metadata to take collection as a parameter rather than using it as part of the method name.
fixing broken metadata tests
changed metadata implementation for Fog::Compute::RackspaceV2::Server and Fog::Compute::RackspaceV2::Image
changing variable names to make code clearer
fixing broken tests
Merge branch 'master' of github.com:fog/fog into server_metadata
added better acceptance criteria to server/image metadata tests; added metadata to ignored_attributes to address bug
[xenserver] added missing HostCpu model
[xenserver] added missing host_cpus attribute to Host model
[xenserver|tests] added HostCpu model tests
[xenserver|tests] typo fix
[xenserver|tests] test Host.host_cpus method