Add a step in the explanations for multi-device

Instructions were slightly improved to include the
fact that a user need to go to the Devices tab where
the "Add a device" button is present.

Change-Id: I6a0d3439bf1c6896ef39e77ce08d515312447e87
Tuleap: #1293

wizarddialog.ui

@@ -138,6 +138,7 @@ p, li { white-space: pre-wrap; }
 <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:12pt;">To link this device to another account, you first </span><span style=" font-size:12pt; font-weight:600;">need to obtain a PIN</span><span style=" font-size:12pt;"> code. To generate the PIN code:</span></p>
 <ol style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" font-size:12pt;" style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Go to the <span style=" font-weight:600;">Account management setting</span> of a previous device</li>
 <li style=" font-size:12pt;" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Choose the <span style=" font-weight:600;">Ring account</span> you want to use</li>
+<li style=" font-size:12pt;" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Go to the <span style=" font-weight:600;">Devices</span> tab</li>
 <li style=" font-size:12pt;" style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Select <span style=" font-weight:600;">Add a device</span></li></ol>
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:12pt;&quot;&gt;You will get the necessary PIN to complete this form. The PIN is only valid for &lt;/span&gt;&lt;span style=&quot; font-size:12pt; font-weight:600;&quot;&gt;10 minutes&lt;/span&gt;&lt;span style=&quot; font-size:12pt;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>