[BH-700] Add minimal Alarm app

Add minimal BellAlarm application

[CP-261] Print crash occurences to log

Make sure we produce log entries when crashes occur.

[BH-380] Librarize application-calendar

Librarize application-calendar

[BH-671] Fixed CMake in service-audio

Made service-audio CMake comply to Mudita internal guide

[BH-564] Add Time&Units application

Add first version of Time&Units application (just setting time)
Remove spinner demo application

[EGD-7161] Remove image name reference in vfs

Add ability to change an image name in the vfs code by decoupling vfs
from a so-called board code.

Introduce platforms as a hardware and os abstraction layer for product
code.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-377] Liberalize application special input

Liberalize app SI

[BH-382] Rebase and cleaning

Rebase and cleaning

[BH-385] Turned application meditation into lib

Created separate cmake library, defined public and private
include search path and dependencies, removed this app
from BellHybrid target dependencies and added explicitly
as PurePhone dependency, cleaned up include paths

[EGD-6609] Separated out sms logic

Switching to async sending model required separation of out sms logic.
Specific class was added and most of the logic was moved from cellular
service to this class.

[CP-282] Add md5sums to the version.json file

Move checksums from a separate file to the version.json file.

[BH-384] Turned application desktop to library

Defined separated cmake library, private and public include
directories and dependencies, isolated public headers from private,
cleaned up include paths and defined which targets depend on new
library, cleaned up include paths

[BH-628] Cleaned up module-vfs cmake

Cleaned up pattern of sharing source files among libraries
using cached lists, ultimately leading to silent linkage
failures. Symbols build repeatedly in different libraries
was linked depending on which library was passed in linker
command arguments first, so for example in same cases
cellular bsp files compiled in module-vfs was linked instead
of those from module-bsp leading to failure of cellular work
despite no explicite build failure.

[BH-381] Turned application call into lib

Defined separate cmake target, dependencies, private, and public
sources, cleaned up include paths

[EGD-7130] Renamed settings application

Renamed settings application.

[BH-464] Fix make all

Fixed make all functionality, now it builds both products top
targets, made usb stack compile only in rt1051 builds (see also
a related issue raised by community)

[EGD-7120] Remove old settings application

Moved valuable assets to new settings.
Removed old settings.

[BH-386] Turned app messages into lib

Turned application messages into library, defined dependencies,
private and public sources, cleaned include paths, massive
cleaned headers

[BH-390] Turned notes app into library

Turned application notes into separate library, specified
private and public include directories and dependencies,
removed application notes from Bell Hybrid target

[BH-363] Move libphonenumber to a separate directory

Move libphonenumber to a separate directory