Add explanation of default and/or behavior on Automation Visual Editor

[wrouesnel]

The automation visual editor currently looks like this:

This provides no information on what the effect of adding multiple conditions or triggers will be by default, despite scripting in this system requiring the user to have an understanding of and/or behavior.

This information should be included on this screen, and there's clear space for it:

This would help new users or users who infrequently use this screen (which in the ideal case is all of us - when it's working well, we have no reason to be in here). There's plenty of space in the titles to include it.