restoring sanity of nightly validations (JMX and BUFR)

I'm running nightly validations for JMX and BUFR and the result is posted on this blog.

These days I've made several fixes to reduce messages.

https://github.com/etoyoda/jmx-rng/issues/8

https://github.com/etoyoda/bufrconv/issues/54

https://github.com/etoyoda/bufrconv/issues/52

Hope this blog is silent .....