Adding Intent Impl and shell command to install simple intent
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentRemovalException.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentRemovalException.java
new file mode 100644
index 0000000..5ee4ee4
--- /dev/null
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentRemovalException.java
@@ -0,0 +1,22 @@
+package org.onlab.onos.net.intent.impl;
+
+import org.onlab.onos.net.intent.IntentException;
+
+/**
+ * An exception thrown when intent removal failed.
+ */
+public class IntentRemovalException extends IntentException {
+ private static final long serialVersionUID = -5259226322037891951L;
+
+ public IntentRemovalException() {
+ super();
+ }
+
+ public IntentRemovalException(String message) {
+ super(message);
+ }
+
+ public IntentRemovalException(String message, Throwable cause) {
+ super(message, cause);
+ }
+}