Misc Curriculum Updates for Antidote 0.7

[Mierdin]

This PR will take care of a lot of miscellaneous updates that are needed for the upcoming Antidote 0.7.0 update.

Any heavy lifting, such as entire lesson re-vamps, or moving a certain lesson to a new network platform like cRPD, will take place in a dedicated PR. This PR is more about the various small things that need to be done even to lessons that would otherwise not need to be touched.

Updating vQFX Configs

The main thing that triggered this PR was the change to the way the configurator script works for NAPALM configurations in nre-learning/antidote-images#5. Since that code is a lot simpler, and doesn't by default do any templating, there are a lot of vQFX configurations that need to be changed. I elected to ensure that all relevant sections of each vqfx configuration are using the merge or replace method as needed, and simply removed the em0 section that had this template before. In retrospect this is how it should always have been done. That's why there are so many vqfx config updates in this PR.

Testing

Since this was a curriculum-wide update, I took the opportunity to test each and every existing lesson to ensure that it worked on the current platform. Going through this list was the main drive behind a lot of the commits in this PR.

Minimal Updates Planned

• robot-automated-testing
• pyez-junos-automation
• salt-network-automation
• stig-automated-compliance
• bash-introduction
• git-version-control
• jinja-configuration-templates
• linux-basics
• rest-apis-introduction
• yaml-introduction
• ansible-network-automation
• napalm-multi-vendor-network-automation

Converted to cRPD

• troubleshooting-chain (done in Remove need for privileged mode in troubleshooting lesson #330)
• jsnapy-network-testing (done in Refurbish JSNAPy lesson and move to cRPD #338)

Didn't convert (only two vqfxs)

• config-backup-automated
• template-generation-device
• quick-easy-device-inventory

Scaled Down for now (maybe want to scale back up when using cRPD)

• terraform-junos
• stackstorm-event-driven-automation