GitLab

* Add texlive-latexdiff for producing LaTeX documents as a diff of
LaTeX-documents (a bit like trackchanges
* Add a4wide
* Add systemdocu LaTeX dependencies
* Arial probably not working (no testcase)
* Fix issue #16 and #17
* Make rule idempotent

* Add las122

* Sphinx dependencies

* -tikz-feynman
* -pgf-spectra

* LaTeX package to draw accelerator lattices

* basic LaTeX installation
* includes MS fonts (incl. Arial for KIT layout)
* JACoW and DPG templates
* Axel Bernhard's bib-file
* Neo2 UTF-8 class