Update change logs for March 2020 Release (#9652)

* Update change logs

* Formatting

* update changelog

* Explain that the link will change

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Change Log
 
+## Version 1.16.0
+* Release date: March 18, 2020
+* Release status: General Availability
+* Notebooks:
+	* Charting
+	* Creating Jupyter books
+* Postgres extension update - Users can now authenticate to Azure Postgres servers with their linked Azure account
+* Accessibility bugs
+* VS Code merge
+* In the next release, GitHub releases will no longer contain the binary files to the latest version. Rather, they will contain links to the latest release. This will have no impact on users using the in-app update functionality.
+
 ## Version 1.15.1
 * Release date: February 19, 2020
 * Release status: General Availability

README.md

@@ -8,15 +8,15 @@ Azure Data Studio is a data management tool that enables you to work with SQL Se
 
 ## **Download the latest Azure Data Studio release**
 
-Platform | Link
--- | --
-Windows User Installer | https://go.microsoft.com/fwlink/?linkid=2116782
-Windows System Installer | https://go.microsoft.com/fwlink/?linkid=2116781
-Windows ZIP | https://go.microsoft.com/fwlink/?linkid=2116691
-macOS ZIP | https://go.microsoft.com/fwlink/?linkid=2116692
-Linux TAR.GZ | https://go.microsoft.com/fwlink/?linkid=2116783
-Linux RPM | https://go.microsoft.com/fwlink/?linkid=2116779
-Linux DEB | https://go.microsoft.com/fwlink/?linkid=2116780
+| Platform																|
+--
+| [Windows User Installer][win-user]			|
+| [Windows System Installer][win-system]	|
+| [Windows ZIP][win-zip]									|
+| [macOS ZIP][osx-zip]										|
+| [Linux TAR.GZ][linux-zip]								|
+| [Linux RPM][linux-rpm]									|
+| [Linux DEB][linux-deb]									|
 
 Go to our [download page](https://aka.ms/azuredatastudio) for more specific instructions.
 
@@ -140,3 +140,11 @@ And of course, we'd like to thank the authors of all upstream dependencies.  Ple
 Copyright (c) Microsoft Corporation. All rights reserved.
 
 Licensed under the [Source EULA](LICENSE.txt).
+
+[win-user]: https://go.microsoft.com/fwlink/?linkid=2121609
+[win-system]: https://go.microsoft.com/fwlink/?linkid=2121612
+[win-zip]: https://go.microsoft.com/fwlink/?linkid=2121511
+[osx-zip]: https://go.microsoft.com/fwlink/?linkid=2121611
+[linux-zip]: https://go.microsoft.com/fwlink/?linkid=2121510
+[linux-rpm]: https://go.microsoft.com/fwlink/?linkid=2121613
+[linux-deb]: https://go.microsoft.com/fwlink/?linkid=2121610