[BH-2096] Return error code when switching to empty quotes DB

* Added mechanics returning error code 406 Not Acceptable
when trying to switch to empty custom quotes database.
* Minor cleanups.
* Minor fixes in test script.

[BH-2099] Add synchronization of custom quotes with Center

Added support for sending a quotes database file and sending feedback
about custom quotes settings

[BH-2095] Add quote interval setting

Modifying the time after which new quotes are displayed on the Harmony
screen.

[BH-2097] Adding and deleting a single custom quote

Adding and removing custom quotes in the database sent by Center

[BH-2096] Add quote group setting

Adding a new endpoint for communication with Center;
Modification of randomization algorithm from a selected group of quotes.

[BH-2069] Update license URL in headers

Update outdated license file URL in
license headers across all project.

[BH-2056] Add bedside lamp settings

Added possibility to customize
brightness and activity time
of bedside lamp functionality.

[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-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-1861] Backend for quotes on home screen

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

[BH-1688] Create a standard for logs

* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
  line number is now before function name

[MOS-1007] Fix for no popup when contact cannot be saved because of same nubers

Fix for fix. It add popup when user try to save contact witch practically
the same numners  (even if having a country code is only difference)

[BH-1412] Fix services dependencies

Changes in dependecy managment
Replacing state flags with states in ServiceGUI
Unifying some parts of code

[BH-1733] Add Harmony version information

In the Settings->About section, we will have information
about which version of Harmony the user has.

co-author @Lefucjusz

[MOS-238] Change RNG used in quotes randomization

* Changed RNG used when randomizing quotes list
that was accidentally omitted in the previous
PR.
* Small cleanup around RandomizedQuoteModel.

[CP-1962] Add Harmony color detection

* Added serial number based Harmony color
detection.
* Unified serial number handling for both
products.

[MOS-943] Remove old factory reset mechanism

Removed old factory reset mechanism that is
no longer needed after UDM.
Fixed accessing previously moved variable.
Minor cleanups.

[MOS-766] Change factory entries initialization routine

Changed of the algorithm used to initialize
settings database with values read from EEPROM,
previously first insertion failure resulted
in stopping the whole process, now next values
are inserted even if previous has failed.
Additionally minor cleanup.

[MOS-202] Add meditation parameters to non-volatile memory

The meditation parameters set by the user will be remembered.

style check fix