Add geoclue configuration man page

Fixes #49
4 jobs for 49-geoclue-configuration-manpage in 17 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #206122
ubuntu-16.04

00:05:07

passed #206123
ubuntu-17.10

00:05:14

passed #206124
ubuntu-18.04

00:17:41

passed #206125
ubuntu-18.04-no-backend

00:01:25