Fix of the issue that Meditation and
Power Nap apps would crash during
active sessions due to bad optional
access introduced in previous time
displaying fix.
The longer the time countdown on the progress bar, the less frequently
the screen is refreshed, which results in less power consumption when
running the Meditation, Relaxation, Power Nap and Focus Timer
applications.
Implemented new countdown progress bar design,
used in Relaxation, Meditation and Power Nap
apps. New implementation shows progress
bar as decrementing as the time passes instead
of incrementing.
Cleanups.
*DigitsContainer definicions moved to cpp file(for proper linkage)
*DigitsContainer changed container to std::vector
*Fixed a bug in ProgressTimerWithBarGraphAndCounter where timerText was
treated as timeWidget
*MeditationCountdownWindow timer is now custom size
*Minus removed form MeditationRunningWindow timer
