Add solidfire manifest

Adds the SolidFire driver as a supported driver
to the volume manifests.

Change-Id: I132cd06ce63ddfb5b9dcab6416a7c6e480d63e62
Add cinder::ceilometer class

This patch is aim to setup cinder volume to enable ceilometer
can retrieve volume samples.

Fixes bug #1240775

Change-Id: I9aa58cf587574797d5c7a7c09050027d9d020fc9
Clean up errors in the README examples

Change-Id: I5b4416dc738cff3e3b0ceb24cbb1ef23a6486bb4
Merge "Add solidfire manifest"
Merge "Add cinder::ceilometer class"