[EGD-7883] Close all opened files when umount

Force closing all opened files when unmount
filesystem is called.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[BH-1167] USB async receive

Polling routine replaced with event driven
implementation for USB receive

[BH-1143] Change no interaction time to 15 sec

Information prompt windows should be displayed after 15 sec

[BH-1134] Meditation time constrains

Meditation time constrains

[EGD-7945] Update documentation about the VFS

Update VFS documentation after change user
partition from the LittleFS to the EXT4 fs

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-7826] Update quickstart readme

Updated readme to contain product-specific buiild options

[CP-670] Fix crash dump creation on HF

Fix the crash dump on the disk partition
when phone firmware Hard Fault CM7 core
error.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[BH-1142] Fix exit from library volume view

Allow exiting the volume settings view with back or light click

[BH-1117] Bell audio service

Added Bell audio service
Added volume scaling.

[BH-1025] Fix timer callbacks in switches

Make queue calls from timer callbacks non "FromISR"

[BH-1025] Fix deep and light click interaction

[BH-1025] Light click no longer occures after deep click
[BH-1113] Light click works shortly after deep click

[BH-1133] Fix UI lags due to lowered frequency

Added CPU frequency hold on timer while user is
interacting with device

[BH-1135] Fix meditation app double bell

Prevent progress timer from triggering finish
and interval callbacks at once

[BH-1148] Fix front light intensity

Scale front light intensity to possible
illumination values

[BH-1153] Fix snoonze duration after alarm

Set snoonze duration after alarm with second level precision

[BH-1158] Fix alarm duration

Set default alarm ring duration at 5 minutes

[BH-1146] Fix deep press crash

Fix deep press crash outside homescreen

[CP-815] Incorrect handling of versions during restore

Fixed comparison of OS and backup file versions

[BH-1128] Fix return from alarm popups

Prevent going back to previous alarm popup window

[EGD-7732] Fixed audio poor quality

Fixed audio poor quality during a loudspeaker call.