Linus' Kitchen v0.4 Release

Linus Kitchen v0.4 was released in November 2018 (thanks @fasmat for all the updates!)

Basebox update:

• the basebox has been updated to Ubuntu Bionic (18.04)

Tool updates:

• update to ChefDK v3.4.23
• update to Vagrant v2.2.0
• update to Atom v1.32.2
• update to Docker v18.06.1
• update to Packer v1.3.2
• update to VirtualBox v5.2.22
• update to molecule v2.19.0
• update to testinfra v1.16.0

For more details see:
https://github.com/tknerr/linus-kitchen/blob/master/CHANGELOG.md#04-nov-20-2018