Upgrade to Thorntail 2.2.1.Final

[juangon]

What does this PR do?

Upgrades Thorntail (formerly Wildfly Swarm) to latest release.

What issues does this PR fix or reference?

Previous behavior

Using old Wildfly Swarm version

New behavior

Thorntail version used is the newest one

Please review Che's Contributing Guide for best practices.

Tests written?

No

Docs updated?

No

[Ladicek]

WDYT about renaming the files as well?

• recipes/centos_wildfly_swarm -> recipes/centos_thorntail
• install-swarm-dependencies.sh -> install-thorntail-dependencies.sh

Also probably change job-id: wildfly-swarm to job-id: thorntail in .cccp.yml?

[Ladicek]

I don't understand Che at all, but this LGTM :-)