Expose isConnected to clients to help avoid race conditions

Author: oreillymj

org.eclipse.paho.client.mqttv3/src/main/java/org/eclipse/paho/client/mqttv3/MqttAsyncClient.java

@@ -890,6 +890,16 @@ public boolean isConnected() {
 		return comms.isConnected();
 	}
 
+	
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see IMqttAsyncClient#isConnecting()
+	 */
+	public boolean isConnecting() {
+		return comms.isConnecting();
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * 

org.eclipse.paho.client.mqttv3/src/main/java/org/eclipse/paho/client/mqttv3/MqttClient.java

@@ -672,6 +672,13 @@ public boolean isConnected() {
 		return aClient.isConnected();
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.paho.client.mqttv3.IMqttClient#isConnected()
+	 */
+	public boolean isConnecting() {
+		return aClient.isConnecting();
+	}
+
 	/* (non-Javadoc)
 	 * @see org.eclipse.paho.client.mqttv3.IMqttClient#setCallback(org.eclipse.paho.client.mqttv3.MqttCallback)
 	 */