Dump all hostFlags in hosts.dump

Dump all hostFlags in hosts.dump

Currently only certain flags are dumped in hosts.dump. Also dump the
value of hostFlags itself, so we get more information from a host dump.

Reviewed-on: http://gerrit.openafs.org/869
Tested-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Dan Hyde <drh@umich.edu>
Reviewed-by: Alistair Ferguson <alistair.ferguson@mac.com>
Tested-by: Alistair Ferguson <alistair.ferguson@mac.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
(cherry picked from commit 3cb49f57a34b42c9efdc24797efda053cd88be80)

Change-Id: Ib6e7df4dcdbf8cbba7bb027ab54b753f2b857326
Reviewed-on: http://gerrit.openafs.org/908
Tested-by: Andrew Deason <adeason@sinenomine.net>
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>