Minor updates to LSQL and LDMS modules. (#127)

* Updated the git hash to use in LSQL workshop.
Minor alterations to the LDMS workshop instructions to make it easier to follow.

* Minor updates to improve portability and readability.

* revert to commit 47a43bedf75bc0859e9141ad1bdd1f330f0933f1

* Revert

---------

Co-authored-by: Imhoertha Ojior <iojior@amazon.co.uk>
Co-authored-by: Sean Shriver <seanshi@amazon.com>

Author: 3 people

content/rdbms-migration/migration-chapter03.en.md

@@ -31,7 +31,10 @@ To explore the dataset, follow the instructions below to log in to the EC2 serve
  6. You can see all the 6 files copied from the IMDB dataset to the local EC2 directory.
     ![Final Deployment Architecture](/static/images/migration12.jpg)
  7. Feel free to explore the files.
- 8. Go to [AWS CloudFormation Console](https://console.aws.amazon.com/cloudformation/home#/stacks?filteringStatus=active&filteringText=&viewNested=true&hideStacks=false) and click on the stack you created earlier. Go to the **Parameters** tab and copy the username and password listed next to **DbMasterUsername** and **DbMasterPassword**.
+ 8. If you are completing this workshop at an AWS hosted event, go to [AWS CloudFormation Console](https://console.aws.amazon.com/cloudformation/home#/stacks?filteringStatus=active&filteringText=&viewNested=true&hideStacks=false) and select the stack named **ddb**. Go to the **Parameters** tab and copy the username and password listed next to **DbMasterUsername** and **DbMasterPassword**.
+
+ ::alert[_If you are completing this workshop in your AWS account copy the DbMasterUsername and DbMasterPassword from the CloudFormation stack used to configure the MySQL environment._]
+
    ![Final Deployment Architecture](/static/images/migration13.jpg)
  9. Go back to EC2 Instance console and login to mysql.
   ```bash