Update broken links in demo comments and documentation.

README.md

@@ -325,14 +325,13 @@ Dependency | Version | Usage
 
 #### AWS IoT Account Setup
 
-You need to setup an AWS account and access the AWS IoT console for running the AWS IoT Device Shadow library, AWS IoT Device Defender library, AWS IoT Jobs library, 
-AWS IoT OTA library and coreHTTP S3 download demos. 
-Also, the AWS account can be used for running the MQTT mutual auth demo can be run against AWS IoT broker.
-Also, running the AWS IoT Device Defender, AWS IoT Jobs and AWS IoT Device Shadow library demos require the setup of a Thing resource for the device running the
-demo.
+You need to setup an AWS account and access the AWS IoT console for running the AWS IoT Device Shadow library, AWS IoT Device Defender library, AWS IoT Jobs library,
+AWS IoT OTA library and coreHTTP S3 download demos.
+Also, the AWS account can be used for running the MQTT mutual auth demo against AWS IoT broker.
+Note that running the AWS IoT Device Defender, AWS IoT Jobs and AWS IoT Device Shadow library demos require the setup of a Thing resource for the device running the demo.
 Follow the links to:
 - [Setup an AWS account](https://portal.aws.amazon.com/billing/signup#/start).
-- [Sign-in to the AWS IoT Console](https://aws.amazon.com/console/) after setting up the AWS account.
+- [Sign-in to the AWS IoT Console](https://console.aws.amazon.com/iot/home) after setting up the AWS account.
 - [Create a Thing resource](https://docs.aws.amazon.com/iot/latest/developerguide/iot-moisture-create-thing.html).
 
 

demos/mqtt/mqtt_demo_mutual_auth/demo_config.h

@@ -119,7 +119,7 @@
  *
  * Refer to the AWS IoT documentation below for details regarding client
  * authentication with a username and password.
- * https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
  * As mentioned in the link above, an authorizer setup needs to be done to use
  * username/password based client authentication.
  *
@@ -137,7 +137,7 @@
  *
  * Refer to the AWS IoT documentation below for details regarding client
  * authentication with a username and password.
- * https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
  * As mentioned in the link above, an authorizer setup needs to be done to use
  * username/password based client authentication.
  *

demos/mqtt/mqtt_demo_mutual_auth/mqtt_demo_mutual_auth.c

@@ -37,7 +37,7 @@
  * 2. Define CLIENT_USERNAME and CLIENT_PASSWORD in demo_config.h for client
  *    authentication to be done using a username and password. More details about
  *    this client authentication can be found in the link below.
- *    https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+ *    https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
  *    An authorizer setup needs to be done, as mentioned in the above link, to use
  *    username/password based client authentication.
  *
@@ -1056,7 +1056,7 @@ static int establishMqttSession( MQTTContext_t * pMqttContext,
     /* Use the username and password for authentication, if they are defined.
      * Refer to the AWS IoT documentation below for details regarding client
      * authentication with a username and password.
-     * https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+     * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
      * An authorizer setup needs to be done, as mentioned in the above link, to use
      * username/password based client authentication.
      *

demos/ota/ota_demo_core_http/ota_demo_core_http.c

@@ -1166,7 +1166,7 @@ static int establishMqttSession( MQTTContext_t * pMqttContext )
     /* Use the username and password for authentication, if they are defined.
      * Refer to the AWS IoT documentation below for details regarding client
      * authentication with a username and password.
-     * https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+     * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
      * An authorizer setup needs to be done, as mentioned in the above link, to use
      * username/password based client authentication.
      *

demos/ota/ota_demo_core_mqtt/ota_demo_core_mqtt.c

@@ -1040,7 +1040,7 @@ static int establishMqttSession( MQTTContext_t * pMqttContext )
     /* Use the username and password for authentication, if they are defined.
      * Refer to the AWS IoT documentation below for details regarding client
      * authentication with a username and password.
-     * https://docs.aws.amazon.com/iot/latest/developerguide/enhanced-custom-authentication.html
+     * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
      * An authorizer setup needs to be done, as mentioned in the above link, to use
      * username/password based client authentication.
      *

docs/doxygen/building.dox

@@ -23,9 +23,13 @@ Linux platform. This SDK builds with [CMake](https://cmake.org/), a cross-platfo
 @section aws_iot_setup AWS IoT Account Setup
 @brief Setting up AWS IoT to run demos.
 
-It is required to setup an AWS account and access the AWS IoT Console for running demos and tests. Follow the links to:
--  [Setup an AWS account](https://docs.aws.amazon.com/iot/latest/developerguide/iot-console-signin.html).
--  [Sign-in to the AWS IoT Console](https://docs.aws.amazon.com/iot/latest/developerguide/iot-console-signin.html) after setting up the AWS account.
+You need to setup an AWS account and access the AWS IoT console for running the AWS IoT Device Shadow library, AWS IoT Device Defender library, AWS IoT Jobs library,
+AWS IoT OTA library and coreHTTP S3 download demos.
+Also, the AWS account can be used for running the MQTT mutual auth demo against AWS IoT broker.
+Note that running the AWS IoT Device Defender, AWS IoT Jobs and AWS IoT Device Shadow library demos require the setup of a Thing resource for the device running the demo.
+-  [Setup an AWS account](https://portal.aws.amazon.com/billing/signup#/start).
+-  [Sign-in to the AWS IoT Console](https://console.aws.amazon.com/iot/home) after setting up the AWS account.
+-  [Create a Thing resource](https://docs.aws.amazon.com/iot/latest/developerguide/iot-moisture-create-thing.html).
 
 @section configuring_mutual_auth_demo Configuring the Mutual Auth Demo
 @brief Passing configuration settings to run the mutual auth demo.

docs/lexicon.txt

@@ -163,6 +163,7 @@ sdk
 sha
 signedheaders
 signin
+signup
 sigterm
 somehash
 src