Added a slew of package.html javadocs.
diff --git a/net/api/src/main/java/org/onlab/onos/net/link/LinkProvider.java b/net/api/src/main/java/org/onlab/onos/net/link/LinkProvider.java
index 2ef8955..a8ade18 100644
--- a/net/api/src/main/java/org/onlab/onos/net/link/LinkProvider.java
+++ b/net/api/src/main/java/org/onlab/onos/net/link/LinkProvider.java
@@ -1,6 +1,6 @@
 package org.onlab.onos.net.link;
 
-import org.onlab.onos.provider.Provider;
+import org.onlab.onos.net.provider.Provider;
 
 /**
  * Abstraction of an entity providing information about infrastructure links