Adding a grid topology simulator to the null provider.

Change-Id: Ie655840febc11d3986f1c8ec5c8ef2374014794c
diff --git a/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index f96f10c..1fc180a 100644
--- a/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -33,6 +33,14 @@
                 <null/>
             </completers>
         </command>
+        <command>
+            <action class="org.onosproject.provider.nil.cli.NullDeviceCommand"/>
+            <completers>
+                <ref component-id="deviceIdCompleter"/>
+                <ref component-id="upDownCompleter"/>
+                <null/>
+            </completers>
+        </command>
     </command-bundle>
 
     <bean id="startStopCompleter" class="org.onosproject.cli.StartStopCompleter"/>
@@ -40,5 +48,6 @@
     <bean id="topoShapeCompleter" class="org.onosproject.provider.nil.cli.TopologyShapeCompleter"/>
     <bean id="linkSrcCompleter" class="org.onosproject.cli.net.LinkSrcCompleter"/>
     <bean id="linkDstCompleter" class="org.onosproject.cli.net.LinkDstCompleter"/>
+    <bean id="deviceIdCompleter" class="org.onosproject.cli.net.DeviceIdCompleter"/>
 
 </blueprint>