LWRP for cloud block storage with create and attach actions
adding method to update node attributes with data about attached cbs volumes
adding :create_and_attach action as the default action
update default fog version to 1.19.0
add action :detach_volume
adding actions :detach_volume and :detach_and_delete
adding cbs to rackspacecloud_test cookbook
read server_id from xenstore
add device name to attached_volumes data
update README with block storage
updates to docs
version bump
add description of block storage node data to README
fix formatting in README
correct text for example in README
Merge pull request #17 from stevendgonzales/master

Cloud Block Storage Provider