Cleaning up and re-organizing javadocs; it's time to start splitting this up more.

Change-Id: If8752593ff30c9afbd43638590cff81fbcb80e7d
diff --git a/docs/internal-excludes b/docs/internal-excludes
index a24d184..81e6329 100644
--- a/docs/internal-excludes
+++ b/docs/internal-excludes
@@ -5,4 +5,5 @@
 org.onosproject.oecfg
 org.onosproject.maven
 org.onosproject.grpc*
+org.onosproject.yangutils.*
 protobuf.*