Fix typo in cinder.volume.API.

'_valid_availabilty_zone' --> '_valid_availability_zone'

Change-Id: Ib79772039d663f0eb4fc8994cc8edc5154d75a02
Closes-Bug: #1252915
Don't do glance v2 calls when config is set to v1

Fixes bug 1252549

Change-Id: I6d9509bfecd2f73040a0ad27aff8fc5f6fd0a899
Add support for extend volume in GPFS vol driver

Add support for extend volume support to the GPFS volume
driver.

Ensure that requested volume size is implemented for each
of the volume creation paths.

Replace instances where units.GiB could be used but was not.

Implements: blueprint gpfs-extend-volume-support
Change-Id: I79295205f4147fca109f5cb59497a6e1fbe6d296
Merge "Don't do glance v2 calls when config is set to v1"
Merge "Fix typo in cinder.volume.API."
Merge "Add support for extend volume in GPFS vol driver"