Patch CMakeLists.txt

build directory is no longer part of the git repo

PyNAFF for las126

* postmaster is no user account therefore it is not ment to be in the
revaliases. Hence it is logged in the journal

* enable smartd
* scan discs every night
* mail if discs get corrupt

* It has been tested to run on two different systems (installed, not
installed fonts)
* Still does not work if fonts are installed, but not registered, but
that is only a case for broken systems

* Still some statefull things that cause a "change" everytime called
* Still Font issue not solved

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

* -tikz-feynman
* -pgf-spectra

* LaTeX package to draw accelerator lattices

* LaTeXfonts' tasks only run if necessary
* They run with 'sudo su -c ' so the problem with sudo and su is worked
around.
*

Add hint to the issues with explicit dependencies

* 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

* Clean up hosts file and order roles in README

* Depends on lasarchiv1 rule which is currently not implemented in a
laptop save way

* update commit-hook
* create server role nfs-server
* create client role lasarchiv

* Activate ipywidgets