The commit provides an implementation to MVP of
BackgroundsSounds ProgressWindow. The implementation
is restricted to basic UI and timer functionality.
The follwoing commit provides an implementation of PowerNap
progress. The impelemntation covers:
* PowerNap's progress presenter
* PowerNap's progress widnow
* Extension of ProgressTimer's UI configuration that allows
to choose between Continuous and Descrete set of points on
Progress view.
The following commit provides implementation of ProgressTimer.
The timer purpose is to provide suitable abstraction of a timer
that can be visually represented by both Text and Progress.
The implementation is based on MeditationTimer and thus
the ApplicationMeditation's part that uses MeditationTimer
has been refactored.
