[ONOS-4849] NETCONF function for FUJITSU OLT #6

- Add alart command for FUJITSU OLT
   volt-notification-alertfilter <netconf:target>
   volt-notification-setalertfilter <netconf:target> <alert-severity>
   volt-notification-subscribe <netconf:target> {disable}
- Update fujitsu-drivers.xml and shell-config.xml in FUJITSU directory
- Apply Yuta's and Andrea's suggestion to startSubscription method and other methods which related to startSubscription method.
  -> Remove startSubscriptionConnection() and createSubscriptionString() method in 4th patch-set.
  -> Modify cosmetic issue related to Static-string.
  -> Update "No replay" to "No reply" in VoltGetPonLinksCommand.java

Change-Id: I2c8d5484ea0ff9f0b1b970fe8b183bec12193c46
diff --git a/drivers/fujitsu/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/drivers/fujitsu/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 1f72cc6..a361f7d 100644
--- a/drivers/fujitsu/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/drivers/fujitsu/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -59,8 +59,25 @@
                 <ref component-id="deviceIdCompleter"/>
             </completers>
         </command>
+        <command>
+            <action class="org.onosproject.drivers.fujitsu.cli.VoltGetAlertFilterCommand"/>
+            <completers>
+                <ref component-id="deviceIdCompleter"/>
+            </completers>
+        </command>
+        <command>
+            <action class="org.onosproject.drivers.fujitsu.cli.VoltSetAlertFilterCommand"/>
+            <completers>
+                <ref component-id="deviceIdCompleter"/>
+            </completers>
+        </command>
+        <command>
+            <action class="org.onosproject.drivers.fujitsu.cli.VoltSubscribeCommand"/>
+            <completers>
+                <ref component-id="deviceIdCompleter"/>
+            </completers>
+        </command>
     </command-bundle>
 
     <bean id="deviceIdCompleter" class="org.onosproject.cli.net.DeviceIdCompleter"/>
-
 </blueprint>