Update readmes
In accordance with #74 (Update readmes), #66 (closed) (readme_de und readme zusammenführen) and #75 (closed) (eol für bash skript).
Edited by Simon Weibel
In accordance with #74 (Update readmes), #66 (closed) (readme_de und readme zusammenführen) and #75 (closed) (eol für bash skript).