Add veritification to name property in cinder volume

Currently the name property in cinder volume is not
verified. Templates and assertations are modified to
verify name property in cinder volume.

Change-Id: I5f3e035dca70da0e780ac042d17ffeae00346e3c
Closes-Bug: #1323471
Sahara: add API tests for cluster templates

* create/list/get/delete API tests for cluster templates were added

Partially implements: blueprint savanna-api-tests

Change-Id: Ia8aca9d3001cd0401a2c2a7a4111e8f0e8bcbee7
adds the missing _interface variable

This patch adds the _interface variable in the JSON
test class 'AvailabilityZoneTestJSON'

Change-Id: Ib50626c9e163f13e2cb99b3faa356a17974ab548
Closes-Bug: 1326347
Fix warnings from build_sphinx

This commit fixes a couple of issues with build_sphinx in the tempest
docs.

Change-Id: Id8572455616e9be94a8c5794328eb9c1791db5b3
Merge "Sahara: add API tests for cluster templates"
Merge "adds the missing _interface variable"
Merge "Add veritification to name property in cinder volume"
Merge "Fix warnings from build_sphinx"
Merge branch 'master' of https://github.com/openstack/tempest