Move internal classes under .impl package (1/2)

Change-Id: I72ed933ecd5ae7ffb268967f80fb395e90f7d8e9
diff --git a/protocols/netconf/ctl/pom.xml b/protocols/netconf/ctl/pom.xml
index 666c933..90c77a8 100644
--- a/protocols/netconf/ctl/pom.xml
+++ b/protocols/netconf/ctl/pom.xml
@@ -35,6 +35,11 @@
             <artifactId>org.osgi.compendium</artifactId>
         </dependency>
         <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-netconf-api</artifactId>
             <version>${project.version}</version>