GitLab

* Move all hosts
* Change hostnames
* Change IPs in configurations
* Improve IPA setup
* Update roles:
  * opera
  * lasarchiv
  * common/printer
  * ipa_hosts

This role is not idempotent!
Add 'computer_name's to all host_vars/las*.las.kit.edu
Add and update OS infos in host_vars
Update host names for ipa_users

* Eddy reactivates las112

* Torben las122
* Maisui las122->las118
* Add las114 for the comming PhD student

* PyCharm version in extra variable
* new software:
  * neovim
  * ptpython3
  * python3-mypy

* LaTeX rule still seems not to be that stable, therefore removed from
site.yml
* Rename all versions to lasarchiv1 to be consistent
* Update SSH playbook of common rule to open the ports in the firewall

* Add missing host_vars files
* Fix syntax errors
* Fix Problems with Ubuntu/lab computer