* Extended Scalegrid2Position to wait for multiple positions input
* made the metrics visualization to be more tollerant in case, when several positions must be submitted
* fixed metrics for lesson above to show all scale degrees (not only Alpha)
* extended LearningStatusView to contain custom message from any lesson
* Added "one, two, .." voice for counting
added vibration to user reponse:

* "dot" vibration for correct incomplete answer
* "dot, dor" for complete answer
* Put manual/sound input mode decision into settings
* fixed vibration for Scaledegree2Position lesson: vibrate only on new accepted positions