added notification driver support
added notification driver support
Merge pull request #86 from cloudnull/notification_driver

Merged automatically by jenkins after successful build test
add full rbd configuration to cinder-volume recipe
add default pg_num for cinder rbd pool
add ceph to dependency
add the rest of the rbd config that was missing
don't leave the client.admin keyring hanging around
don't use install_method attribute. Just check for ceph.config.fsid and assume chef was used to install ceph, if it's found