Update 2.2 upgrading document and release notes

Listed changes to MaxCtrl and the CDC connnector to release notes. Added a
note into the upgrade document about the beta versions of the MaxCtrl
client.

Documentation/Release-Notes/MaxScale-2.2.2-Release-Notes.md

@@ -10,6 +10,21 @@ report at [Jira](https://jira.mariadb.org).
 
 ## Changed Features
 
+### MaxCtrl Moved to `maxscale` Package
+
+The MaxCtrl client is now a part of the main MaxScale package, `maxscale`. This
+means that the `maxctrl` executable is now immediately available upon the
+installation of MaxScale.
+
+In the 2.2.1 beta version MaxCtrl was in its own package. If you have a previous
+installation of MaxCtrl, please remove it before upgrading to MaxScale 2.2.2.
+
+### MaxScale C++ CDC Connector Integration
+
+The MaxScale C++ CDC Connector is now distributed as a part of MaxScale. The
+connector libraries are in a separate package, `maxscale-cdc-connector`. Refer
+to the [CDC Connector documentation](../Connectors/CDC-Connector.md) for more details.
+
 ## Dropped Features
 
 ## New Features

Documentation/Upgrading/Upgrading-To-MaxScale-2.2.md

@@ -25,4 +25,10 @@ string in slashes, e.g. `match=/^select/` defines the pattern `^select`.
 ### Binlog Server
 
 Binlog server automatically accepts GTID connection from MariaDB 10 slave servers
-by saving all incoming GTIDs into a SQLite map database.
+by saving all incoming GTIDs into a SQLite map database.
+
+### MaxCtrl Included in Main Package
+
+In the 2.2.1 beta version MaxCtrl was in its own package whereas in 2.2.2
+it is in the main `maxscale` package. If you have a previous installation
+of MaxCtrl, please remove it before upgrading to MaxScale 2.2.2.