man page: Fix typos

Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>
man page: manpagify things that look like syscalls.

Use the bold style with section number to mark syscalls.

Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>
man page: fix broken formatting before OUTPUT section

Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>
man page: Bump up release date

Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>
howto: Fix redundant entries

Reported-by: Konstantin Ruvinsky <Konstantin.Ruvinsky@emc.com>
Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>