Fix conditional for debian/glance install

The Identity Service setup is handled by the debconf, and this
line was just orphan

In addition, a service restart is needed after the database changes.

Change-Id: I488a83460997393b065279dcd6ed27bcb76a3d96

doc/install-guide/section_glance-install.xml

@@ -145,7 +145,7 @@ IDENTIFIED BY '<replaceable>GLANCE_DBPASS</replaceable>';</userinput></screen>
    --email=<replaceable>glance@example.com</replaceable></userinput>
 <prompt>$</prompt> <userinput>keystone user-role-add --user=glance --tenant=service --role=admin</userinput></screen>
     </step>
-    <step>
+    <step os="rhel;centos;fedora;sles;opensuse;ubuntu">
       <para>Configure the Image Service to use the Identity
         Service for authentication.</para>
       <para os="rhel;centos;fedora;sles;opensuse">Run the following commands
@@ -215,7 +215,7 @@ flavor = keystone</programlisting>
   --internalurl=http://<replaceable>controller</replaceable>:9292 \
   --adminurl=http://<replaceable>controller</replaceable>:9292</userinput></screen>
     </step>
-    <step os="ubuntu">
+    <step os="ubuntu;debian">
       <para>Restart the <systemitem class="service">glance</systemitem>
         service with its new settings:</para>
       <screen><prompt>#</prompt> <userinput>service glance-registry restart</userinput>