Add RBD LWRP.#216

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sandoracs wants to merge 3 commits intoceph:masterfrom

sandoracs:devel-rbd

Commits on Oct 5, 2015

Add RBD LWRP.
Ács Sándor
committed

Commits on Oct 19, 2015

RBD LWRP should not create client credentials.
Ács Sándor
committed
Fix RBD LWRP section in readme file.
Ács Sándor
committed