preparing 0.2-Release: fixed some styles.

Pending:
- current layout currently does explicitly not support IE9, IE10 and Opera
- MathJax-Editing needs robustification
- read_requires_login = false

Documentation:
https://www.eduzen.tu-berlin.de/software-komponenten (German)
https://www.eduzen.tu-berlin.de/zur-notizen-webanwendung (German / Get User Account)