Enable lazy translation in unit tests

Change-Id: Ia2aaaaae34f0f234b2493e7c724d7b874035bcfb
Fixes personality support in Rackspace ASG resource

The Rackspace ASG API expects server personality to be defined
as an Array of dicts. It was being passed as a flat dict which
caused all creations of ASG resources to fail if a personality
was defined.

Change-Id: Idf0c1e8898a613f9b979312e080200dcc28cc7e9
Closes-Bug: #1322675
Migrate to glanceclient to get image id

We should call the glanceclient to get_image_id instead novaclient.

Implements: blueprint migrate-to-glance-client
Change-Id: I2f5e4dfbe405b1ac74eb3864870b8e4873aeee9a
Re-enable lazy translation

After enhancements to Oslo Message class, re-enable lazy translation to
enable REST API responses to be translated to the requested user locale.
bp i18n-messages
Change-Id: I4be508858547029d454412746609fd380af415c1
Merge "Enable lazy translation in unit tests"
Merge "Migrate to glanceclient to get image id"
Merge "Fixes personality support in Rackspace ASG resource"
Merge "Re-enable lazy translation"