Mention the new results filtering in HTML reports
Mention the new results filtering in HTML reports

Document the addition of the new '--results-filter' flag to the
'report-html' command.  Requested as part of the integration of Kyua
into NetBSD, to make the HTML reports more manageable by the servers
and the mirrors.

jmmv/kyua,jmmv/kyua,jmmv/kyua,rodrigc/kyua,rodrigc/kyua,jmmv/kyua,rodrigc/kyua,rodrigc/kyua