Merge pull request #139 from dirkmueller/release/roxy/master

Move lock_path to /var/run
Fix - changing volume_type as local makes it ever
Merge pull request #140 from mjura/release/roxy/volume-local

Fix - changing volume_type as local makes it ever
Merge pull request #142 from dirkmueller/release/roxy/master

Fix RBD with external Ceph without Cephx use case
Restart cinder services when ceph.conf changes

It is likely that new monitors got added then, and the
daemon needs to reload the configuration at that point
to not hang.

(cherry picked from commit ab1088c246f15708f8c5eab5c1f7840243928985)