Adding javadoc artifacts.
diff --git a/src/main/javadoc/doc-files/onos-tiers.png b/src/main/javadoc/doc-files/onos-tiers.png
new file mode 100644
index 0000000..bbacfc8
--- /dev/null
+++ b/src/main/javadoc/doc-files/onos-tiers.png
Binary files differ