Updating Javadocs

Change-Id: Iad04f377f571c4879db245c9b96030678faad5b9
diff --git a/core/api/src/main/java/org/onosproject/net/intent/package-info.java b/core/api/src/main/java/org/onosproject/net/intent/package-info.java
index 4bfbbea..601d976 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/package-info.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/package-info.java
@@ -74,5 +74,8 @@
  * while the system determines where to perform the compilation or while it
  * performs global recomputation/optimization across all prior intents.
  * </p>
+ * <p>
+ * <img src="doc-files/intent-subsystem.png" alt="ONOS intent subsystem">
+ * </p>
  */
 package org.onosproject.net.intent;
diff --git a/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-states.png b/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-states.png
index 9a3e1dc..3280419 100644
--- a/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-states.png
+++ b/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-states.png
Binary files differ
diff --git a/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-subsystem.png b/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-subsystem.png
new file mode 100644
index 0000000..616b2f8
--- /dev/null
+++ b/core/api/src/main/javadoc/org/onosproject/net/intent/doc-files/intent-subsystem.png
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