Merge pull request #2 from CiscoSystems/multi-node

Multi node
added ceph support
added ceph::apt::ceph to osd node definition
added global path for ceph tools to work
moved ceph classes to core.pp, reflected new name in site.pp.example
added proxy support for ceph package wget.
added support for specifying which release to install.
refined ceph classes
Add mysql_root_password back to site.pp.example

Updates to the puppet-openstack module upstream require that the mysql
root password be set explicitly.
Merge pull request #91 from rickerc/mysql_pass

Add mysql_root_password back to site.pp.example
Merge pull request #79 from dontalton/ceph

adding Ceph to grizzly manifests
Merge remote-tracking branch 'remotes/origin/multi-node' into cinder_standalone

Conflicts:
	manifests/core.pp