Middleware - Adam Bien video edits

Here's the sheet that lists all the videos (in HD 1080p, raw) under the tab named "WIP":
https://docs.google.com/spreadsheets/d/1Udvux4FRoEaiv8dWgYHQEiYxyHTmUhloWXsltoLF4GQ/edit#gid=1602893403

Starting with video "260_managed_executor_service_wildfly_configuration" and later, intro and outro were included by Adam.

The column "Video (with intro and outro)" lists the screencasts that Thomas has been able to work on to add the intro and outro.