Add version change sensor information
Add version change sensor information

Add more information from table 42-3 to the codes understood by pyghmi.
A sensor reporting status on version/revision changes now resolves
to something meaningful.

Change-Id: Ib60b08e2762ece194c0905e4bf840b9a23257360

stackforge/pyghmi,benoit-canet/pyghmi,openstack/pyghmi,openstack/pyghmi