Merge branch 'redesign-backends' into 'master'

Redesign backends

Redesign backend to enable multiple storage engines and volume types. It provides old legacy support too.

See merge request !3
tree: 10bd0311593e234351e36df5792cf0b98a3cf4ee
  1. cinder/
  2. debian/
  3. metadata/
  4. CHANGELOG.rst
  5. LICENSE
  6. README.rst
  7. VERSION