smartpanel : add devices menu

Change-Id: I709b54c285ca67299e7bfa15651bca9a45707978
Tuleap: #1213
diff --git a/SmartPanel.xaml b/SmartPanel.xaml
index f62e36d..d4dd0c9 100644
--- a/SmartPanel.xaml
+++ b/SmartPanel.xaml
@@ -537,13 +537,21 @@
                 <Grid Background="#FFE4F1F9">

                     <Grid.RowDefinitions>

                         <RowDefinition Height="auto"/>

+                        <RowDefinition Height="auto"/>

                         <RowDefinition Height="*"/>

                         <RowDefinition Height="auto"/>

                         <RowDefinition Height="auto"/>

                     </Grid.RowDefinitions>

-                    <TextBlock Text="devices:"

+                    <TextBlock Text="Device ID:"

                                Grid.Row="0"

                                HorizontalAlignment="Center"/>

+                    <TextBlock x:Name="_deviceId_"

+                               Text="[TEXT_MISSING]"

+                               Grid.Row="1"

+                               IsTextSelectionEnabled="True"

+                               HorizontalAlignment="Center"/>

+                    <ListBox x:Name="_devicesIdList_"

+                         Grid.Row="2"/>

                 </Grid>

                 <Button x:Name="_addDevice_"

                         Grid.Row="1"