#744

- Distribute the math editor module to different files

- Replace top layer with inline editor
- Make keypad and keyboard available for TextAreaMath

This was changed without reason, but is actually a good (default) value.

#703

#700

#700

#702

#706

#702

#704

Now the paragraphs are shown actually below each other and not next to.

#699

For automatic numbering of droplist items another node level 
(div-element) was introduced to the element DOM. Therefore this 
functions needs to look another node further up for it's position.

#694

Just ignore the color in the component.