Moved host core stuff to its own package.
diff --git a/pom.xml b/pom.xml
index 1002901..3e872e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -320,6 +320,7 @@
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>2.9.1</version>
                 <configuration>
+                    <show>package</show>
                     <docfilessubdirs>true</docfilessubdirs>
                     <doctitle>ONOS Java API</doctitle>
                     <groups>