Signed-off-by: NLukáš Doktor <ldoktor@redhat.com>

And deprecate the --multiplex-files option, which was actually
the complete name of the option, but was not being used formally
by our documentation.
Signed-off-by: NCleber Rosa <crosa@redhat.com>

Doccument the --replay option for the run command.
Signed-off-by: NAmador Pahim <apahim@redhat.com>