Map health to nagios compatible codes
Map health to nagios compatible codes

nodehealth adds granularity and health to the return code.
Rather than only reflecting failure running command, also
have nodehealth assign exit code according to the expectations
of nagios.

jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,whowutwut/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent