Highlighting the deprecated nature of 'log-format'.
Highlighting the deprecated nature of 'log-format'.

A small attempt to make our generated config file more user-friendly by
clearly identifying that 'log-format' is deprecated.

Change-Id: I45b32121de94064a4318dd69ec7ff81a37dae4a9

JioCloud/oslo-incubator,JioCloud/oslo-incubator,JioCloud/oslo-incubator