Merge branch '769-host-u-documented-in-manpage-but-disabled-in-code' into 'master'

Resolve ""host -U" documented in manpage, but disabled in code"

Closes #769

See merge request !1194
35 jobs for master in 14 minutes and 39 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Precheck
passed #119539
amd64 docker linux
🐞:sid:amd64:precheck

00:00:37

passed #119538
amd64 docker linux
sid:amd64:precheck

00:00:19

 
  Build
passed #119546
amd64 docker linux
asan:sid:amd64:build

00:01:35

passed #119540
amd64 docker linux
centos6:amd64:build

00:02:22

passed #119541
amd64 docker linux
centos7:amd64:build

00:02:44

passed #119542
amd64 docker linux
clang:stretch:amd64:build

00:02:08

passed #119547
i386 docker linux
clang:stretch:i386:build

00:01:46

passed #119543
amd64 docker linux
jessie:amd64:build

00:00:59

passed #119550
amd64 docker linux
noassert:sid:amd64:build

00:01:17

passed #119549
amd64 docker linux
pkcs11:sid:amd64:build

00:01:32

passed #119545
amd64 docker linux
sid:amd64:build

00:02:08

passed #119548
i386 docker linux
sid:i386:build

00:01:30

passed #119544
amd64 docker linux
stretch:amd64:build

00:01:26

 
  Test
passed #119551
amd64 docker linux
docs:sid:amd64

00:00:48

passed #119567
amd64 docker linux
install:sid:amd64

00:01:29

passed #119571
amd64 docker linux
noassert:system:sid:amd64

00:09:00

passed #119570
amd64 docker linux
noassert:unit:sid:amd64

00:00:52

passed #119569
amd64 docker linux
pkcs11:system:sid:amd64

00:09:36

passed #119568
amd64 docker linux
pkcs11:unit:sid:amd64

00:00:44

passed #119565
amd64 docker linux
system:asan:sid:amd64

00:11:01

passed #119560
amd64 docker linux
system:centos6:amd64

00:09:05

passed #119561
amd64 docker linux
system:centos7:amd64

00:08:53

passed #119562
amd64 docker linux
system:jessie:amd64

00:08:59

passed #119564
amd64 docker linux
system:sid:amd64

00:09:23

passed #119566
i386 docker linux
system:sid:i386

00:09:33

passed #119563
amd64 docker linux
system:stretch:amd64

00:08:38

passed #119557
amd64 docker linux
unit:asan:sid:amd64

00:00:51

passed #119552
amd64 docker linux
unit:centos6:amd64

00:00:49

passed #119553
amd64 docker linux
unit:centos7:amd64

00:00:55

passed #119558
amd64 docker linux
unit:clang:stretch:amd64

00:00:49

passed #119554
amd64 docker linux
unit:jessie:amd64

00:00:33

passed #119556
amd64 docker linux
unit:sid:amd64

00:00:52

passed #119559
i386 docker linux
unit:sid:i386

00:00:48

passed #119555
amd64 docker linux
unit:stretch:amd64

00:00:46

 
  Push
passed #119572
amd64 docker linux
docs:push

00:00:14