ch012_configuration_management clean up - minor

merged into 1 sentence "then work to define how to handle the various severity levels."
changed This complexity brings with it additional security concerns.
subject and predicate change

Change-Id: Ia7260bb99842118413f8b8c9543651e12ad657df
Updated from global requirements

Change-Id: Iff53fc70f4902a563fe980ad9006f7da6d09acae
Merge "Updated from global requirements"
Merge "ch012_configuration_management clean up - minor"