Merge branch 'bugfix/user-home' into 'master'

Make /etc/icingadb the home dir of icingadb

See merge request !1

debian/postinst

@@ -19,7 +19,7 @@ case "$1" in
 
     if ! getent passwd icingadb > /dev/null ; then
         echo 'Adding system-user for icingadb' 1>&2
-        adduser --system --group --home / \
+        adduser --system --group --home /etc/icingadb \
                 --disabled-login --force-badname icingadb > /dev/null
     fi