Removes occurences of the personality extension from the V3 API
samples as the extension has been removed. Cleanup of consistency
of image and flavor ref examples for the api samples.
DocImpact
Partially implements blueprint v3-api-remove-extensions
Change-Id: I43a34097904d3d7e280039c3d5d76479a49e92d0
Adds the rest of API samples for the core servers plugin. This is separate
from the other servers api samples because the output is potentially
dependent on all the other extensions and I'm expecting lots of merge
issues.
Partially implements blueprint v3-api-specification
Partially implements blueprint v3-api-unittests
Change-Id: Iffc814f327b0047c3510bfe5b8bbcb9e0e4540db