Added a slew of package.html javadocs.
diff --git a/net/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java b/net/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
index 2799788..4db01e6 100644
--- a/net/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
+++ b/net/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
@@ -1,6 +1,6 @@
 package org.onlab.onos.net.flow;
 
-import org.onlab.onos.provider.ProviderService;
+import org.onlab.onos.net.provider.ProviderService;
 
 /**
  * Service through which flowrule providers can inject flowrule information into