finished SITRA and added the SITRA chart as a png.
Merge branch 'master' of https://github.com/Ekerholten/EIT-Gruppe-Blue-Box
Merge branch 'master' of https://github.com/Ekerholten/EIT-Gruppe-Blue-Box
Sosiogram.tex
Merge branch 'master' of https://github.com/Ekerholten/EIT-Gruppe-Blue-Box