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 api sample tests and api samples for console output
Partially implements blueprint v3-api-unittests
Partially implements blueprint v3-api-specification
Change-Id: I76664a1b0355011c7b42e8571eaf732faed44933
Chris Yeoh