Fixes discrepancies and missing params in JSON models

Updates JSON models to be up to date with the params required by MON.
It constitutes a first step in the process of converting JSON models
to actual JSON Schema files.

Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
Change-Id: I9c3c0b69ee59e98805fb3f92f69d01f4fb142913