fix errors when using docbook2man

docbook2man picks up some errors that docbook2x does not, fixing them
isn't harmful to docbook2x. The only real change is adding <para> and
<citerefentry> tags.

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
always include the ja manpage sources in make dist

These need to be in the dist tarball even if the host packaging system
doesn't have docbook2x, otherwise configure will fail to find them. Also,
the build system may have docbook2x, even if the packaging system does not.

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>