Remove svn stuff
Fix Date
Add subsection 'Warum Versionierung?'
Add commits section
Renamed section to Schnappschüsse & Entwicklungszweige
Add section 'Arbeitsweise'
Fix language
Add history of git
Add wikipedia to quellen
Add workflow section
Add staging to vocabulary
Put example to the end
Remove subsection from toc
Modify content of github section
Move footnote to third slide.
Change vocabulary
Add TOC to github
Add TOC to quellen
Add image