- implement the inferred row and row element classes
- introduce the FormulaToolOptions widget to have a nive gui to work with
- implement the input infrastructure -> namely stuff in KoFormulaTool

- fill the single element classes with functionality ( mostly painting )
- get rid of the ContextStyle class
- introduce a class that holds default setting values ( default font color and so on )
- implement the rest of event methods in FormulaTool
- reenable and rework all cursor methods of the single elements
*done - clean up BasicElement class
*done - finish the attribute system
*done - factor out the old loading system and make it a filter
*done - cleanup the FormulaCursor class
*done - rework the kformulacommand class to use KoCommand and simplify and reduce the commands
- implement correct selecting in FormulaCursor - the old implementation was not totally correct

09.22.06 - not sorted by priority
