doc: fileserver manpage fixes

 - Fix typo in -syslog option formatting

 - Add missing -nobusy

 - Add missing -vlrudisable

 - Add missing -sync in synopsis

Change-Id: Id63c3228af619c2da5ef88a40e9c2e91888535bb
Reviewed-on: http://gerrit.openafs.org/10393
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
doc: volserver manpage fixes

 - Fix synopsis formatting, so option arguments are on the same line
   as the option name

 - Add missing options -rxmaxmtu, -rxbind, -syslog, and -sleep

Change-Id: I6e6f06d716e7f78be288bfebde97a3701f086924
Reviewed-on: http://gerrit.openafs.org/10394
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>