* Use of computed sizes in Weight and Note dialog instead of fixed sizes (otherwise problems with I18N).
* Use of computed sizes in About dialog instead of fixed sizes (otherwise problems with I18N).
* ExerciseDialog: use of new dialog controller in STController
* ExerciseDialog: display tab pane border (via CSS)
* ExerciseDialog: insert unit names in input labels with placeholders.
* ExerciseDialog:
   * definition of binding and validation for all choice box inputs
   * update of sport type dependent choice boxes after selection changes
* ExerciseDialog: added bindings for HRM file attribute.
* ExerciseDialog: added bindings for optional attributes ascent, avg heartrate and calories.
* TODO updates.