Moved property listing into CLI

Moved listings for property keys and values into the CLI.
Removed listing from Image, and replaced with reference.
Edited Image Guide section, and added Compute config and
image-show example.

Partial-Bug: #1304114

Change-Id: I84bd59bab2eda16adbe80641fcb95c55959f5d9d
Merge "Moved property listing into CLI"