[vsphere|compute] restore default guest_id so setting it is optional
[rackspace|queues] adding the queues getting started guide
[rackspace|queues] updating set_messages= to populate the claim_id attribute on messages in order for destroy to work properly.
Merge branch 'master' of github.com:fog/fog into claim_fix
Added syntax highlighting for ruby code fragments
Merge pull request #2450 from markijbema/patch-1

Readme: Added syntax highlighting for ruby code fragments
[AWS|RDS] Support for creating and removing subnet groups.
Merge pull request #2438 from rackspace/claim_fix

[rackspace|queues] update claim to set claim_id on claimed messages
Merge pull request #2445 from axyjo/aws_rds_subnet_groups_cd

[AWS|RDS] Support for creating and removing subnet groups.
[vcloud_director] update name, description and storage_profile for vm
updated documentation for put_vm
Merge pull request #2452 from alphagov/update_vm_storage_profile

[vcloud_director] update name, description and storage_profile for vm
[aws|rds] Implement `ready?` for subnet group.
Merge pull request #2453 from axyjo/aws_rds_subnet_group_ready

[aws|rds] Implement `ready?` for subnet group.
Make changes to a copy of the options parameter

If the method alters the options hash, clients calling this method in a loop
will unwittingly be sending a different hash on the second and subsequent calls.
Added parameter to force request timeout on xen
Give 'versionId' value the expected structure
[google] Instances are created without description, and disk size is ignored

Handle hash merge! properly
Merge pull request #2454 from joeyates/dont_alter_options_parameter

Make changes to a copy of the options parameter
Merge pull request #2455 from zertico/request_timeout_on_xen_server

Added parameter to force request timeout on xen