added figure 'Polnischer Kreis' in 8.3
fixed minor typo
added appendix
Merge branch 'master' of https://github.com/gdbgauda/latex-wwu into gdbgauda-master
prepared for merging
final adjustment to changes by gdbgauda, thanks man ;)
Merge pull request #2 from JaMeZ-B/master

Included corrections and changes from Jannes, thanks too :)