Sketching more topology related stuff.
Added overview.html for Java API docs.
diff --git a/net/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostManager.java b/net/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostManager.java
index c9aa71b..17849b1 100644
--- a/net/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostManager.java
+++ b/net/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleHostManager.java
@@ -59,7 +59,7 @@
     private class InternalHostProviderService extends AbstractProviderService<HostProvider>
             implements HostProviderService {
 
-        public InternalHostProviderService(HostProvider provider) {
+        InternalHostProviderService(HostProvider provider) {
             super(provider);
         }