[BH-2002] Fix crash when connected with broken USB cable

Fixes of the issues that would cause device
crash when connected with broken USB cable:
* fixed memory leaks in VCOM init and deinit
functions;
* guarded accessing desktopWorker object in
message handlers, as messages are asynchronous
and might arrive after worker has already been
destroyed. Not the cleanest solution, but
does the trick

[BH-2001] Fix debug build with new FSL

* Fixed some issues that have been
caught by asserts in debug build.
* Minor cleanup.

[MOS-1068] Fix A2DP stream not restarting after song changes

Workaround for the issue that A2DP stream
would sometimes not restart when music
player changes song to the next one.

[BH-000] Update Harmony 2.7.0 changelog

Update changelog after Harmony 2.7.0
release.

[BH-1935] Fix the backlight in pre-wake up

If the chime is before the backlight we need to ignore
keys. Otherwise the back button will run the backlight.

[BH-1876] Change main alarm list to vertical

Now the main alarm uses the vertical list to display songs.
Fixed the order of songs from the database. Added translations.

[BH-1895][BH-1909][BH-1910] New database structure for custom sounds

* Added creation of /user/media/app/alarm
directory that will be used to store
custom alarm sounds.
* Implemented new database structure.
* Adapted Alarm, Bedtime, Pre-wake up and
Snooze to new database structure.
* Added removing custom alarm files during
factory reset.
* Added fallback alarm sound mechanism.
* Cleanups, unifications.

[BH-1792] Updated button handling during pre wake up

Button action behavior has been updated for pre-wake.
Now, if pre-wake is in progress, the first press, in addition to pressing
the front light, disables the pre-wake function.

[BH-1799] Refactor usage of unicasts to dispatch BatteryStatusChangeMessage

Unicast type of sending BatteryStatusChangeMessage is changed to multicast type.
Thanks to this, the flow of messages is more transparent
and there is no unnecessary transmission to non-existent services.

[BH-1898] Fix of GUI freeze after intensive volume change

Fix of the issue that GUI would freeze for
several seconds if volume level was being
changed intensively for a while.

[BH-1887] Speed up update process

* Added stream buffering for reading data
from tar archive with update.
* Increased size of the buffer used
for unpacking files from tar archive.
* Changed buffers data type from vectors
to raw heap-allocated arrays.

[BH-1881] Add progress bar to update process

* Modified Lua update scripts to show simple
progress bar during update process in
Recovery.
* Fixed regression with failing factory
reset on Pure.
* Split Lua scripts per product.

[BH-1861] Backend for quotes on home screen

Implement a backend for getting and shuffle
the quote for home screen clock face.

[BH-1882] Fix display of "Connected" label on home screen

The "connected" label did not appear on the home screen if the USB was
connected during onboarding.

Revert "[MOS-1064] Fix no input language selected for French/Spanish"

This reverts commit 9ef454085e4cca8a1f6c3c270cf460f899c9ee23.

[MOS-1064] Fix no input language selected for French/Spanish

* Fix of the issue that choosing French
or Spanish as a system language
resulted in no input language selected.
* Added keyboard input parser unit
tests for French and Spanish input
maps.
* Minor cleanups.

[BH-1863] Fix deleted file popup showing in Relaxation

* Fix of the issue that 'File has been
deleted' popup would show in Relaxation
app at the end of playback if the
playback was paused at least once,
even though the file wasn't actually
deleted.
* Added very basic audio decoder error
handling and propagation mechanism.
* Minor refactor around several
audio-related parts.

[BH-1657][BH-1833][BH-1854] Add WFI and SDRAM self-refresh mode

* Added mechanism enabling CPU to
enter WFI mode when the OS is
in idle, what results in large
power consumption reduction.
* Added mechanism to switch SDRAM to
self-refresh mode before entering
WFI, what resulted in further power
consumption reduction.

[BH-1856] Add setting onboarding year to build year

Added mechanism automatically setting
the default year shown in the onboarding
to the year of build to avoid changing
it manually every year.

[BH-1857] Fix improper PWM module clock frequency computation

* Fix of the issue that source clock for PWM
module was improperly assumed to be derived
from AHB_CLK, while in reality it is
derived from IPG_CLK, what resulted in
module generating signal with 4 times
lower frequency than the configured
one.
* Cleanups.