[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
index 2d29fcd..b20bedd 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
@@ -49,7 +49,7 @@
     long timeoutSec = 30;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         DeviceId deviceId = DeviceId.deviceId(uri);
 
         NetconfController controller = get(NetconfController.class);
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetConfigCommand.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetConfigCommand.java
index 2aedaa9..6ef87ee 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetConfigCommand.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetConfigCommand.java
@@ -58,7 +58,7 @@
     private DeviceId deviceId;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         deviceId = DeviceId.deviceId(uri);
 
         NetconfController controller = get(NetconfController.class);
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfRpcTestCommand.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfRpcTestCommand.java
index b994789..9a03a2a 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfRpcTestCommand.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfRpcTestCommand.java
@@ -51,7 +51,7 @@
     private DeviceId deviceId;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         DriverService service = get(DriverService.class);
         deviceId = DeviceId.deviceId(uri);
         DriverHandler h = service.createHandler(deviceId);
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfSubscriptionTestCommand.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfSubscriptionTestCommand.java
index 226f789..56b9587 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfSubscriptionTestCommand.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfSubscriptionTestCommand.java
@@ -46,7 +46,7 @@
 
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         NetconfController controller = get(NetconfController.class);
         DeviceId did = DeviceId.deviceId(uri);