Documentation updates

This table tracks changes to the documentation set following the release of AM 7.2:

Documentation change log
Date	Description
September 30, 2022	Updated the Choice Collector node documentation to clarify that the default choice is the first in the list if no default choice is specified. Recommended the removal of the `velocity-1.7.jar` library after install or upgrade. Added a step to the instructions on building custom nodes. Added `Logback.jsp` logger names to the Debug logging documentation.
June 30, 2022	Initial release of AM 7.2.