bozo: bosserver man page updates

bozo: bosserver man page updates

Add the new -pidfiles option to the man page. Add a few other missing
options as well.

Reviewed-on: http://gerrit.openafs.org/5587
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit 26253df896a7709847cda041db1dc187f1dbf83e)

Change-Id: Iac3a96bfc825143a7b8c7b4e359f35d72bbb2d4c
Reviewed-on: http://gerrit.openafs.org/5611
Tested-by: Derrick Brashear <shadow@dementix.org>
Reviewed-by: Derrick Brashear <shadow@dementix.org>