Added more providers/of modules and javadocs.
Split onos-core feature into onos-api and onos-core.
diff --git a/providers/of/pom.xml b/providers/of/pom.xml
index 4958848..0722d71 100644
--- a/providers/of/pom.xml
+++ b/providers/of/pom.xml
@@ -18,6 +18,8 @@
 
     <modules>
         <module>device</module>
+        <module>link</module>
+        <module>host</module>
     </modules>
 
     <dependencies>