[MOS-906] Fix missing tick mark in ringtones list

Fix of the missing tick mark that should appear
on the currently selected ringtone, but didn't.

[MOS-59] Change tethering text to icon in status bar

Changed text to icon, fixed behaviour with phone modes

[MOS-59] Fix weird behaviour of indicators on popups

Fixed phone mode indicators on popups

Revert "[MOS-578] Fix incorrect logic with SMS notifications"

This reverts commit de99e12e000c89088a6d9e79cac3cf2d2e73a90c.

[MOS-28] Change alarm sounds and ringtones preview behavior

Change of the behavior of alarm sounds
and ringtones preview, so that it matches
with the design.

Additionally fixed lack of ringtones list
looping.

[MOS-38] Fix window redirection when clicking on the SMS icon

After clicking the message icon on the "contact details" screen,
the user will be redirected to either the message thread
with that person or to the new message screen (only if thread
does not exist yet / or has been deleted in the past)

[MOS-357] Broken navigation around contact adding

From now on, after cancelling or confirming a new contact
creation initiated from the call log, the phone goes back
to correct windows.

[MOS-663] Replacement for empty templates screen

Now there's information displayed that there are no
templates and in order to add some, the user needs
to use Mudita Center. Also, given no templates, the
screen doesn't show the 'USE' button.

[MOS-902] Fix crash when entering message thread

Fix of the issue that entering messages
and trying to send SMS without SIM card
inserted (and in a few another cases
when sending resulted in failure)
phone would crash.

[MOS-530] Various calculator app fixes

* Fixed issue with subtract operation triggering unusal behavior.
* Unified handling of the add,sub,mul,div operations.
* Updated and verified existing unit tests and added new ones covering
unhandled cases.
* Added basic requirements/readme.

[MOS-29] Fix invalid screen after missed call

Fix of the issue that missed call triggered
view that shown 'call ended' text.

[BH-1609] Fix resizing of format in TimeSetFmtSpinner

Change the resizing logic of the children of TimeSetFmtSpinner.
Remove arguments of TimeSetFmtSpinner and BellStatusClock ctors.

[MOS-893] Fix invalid time description in the SMS thread

The sending/receiving time information will be displayed as follows:
- Only an hour –> for today
- Yesterday and hour –> for messages received/sent yesterday
- Day of the week and hour –> for messages received/sent within
last 7 days
- Date (day+month) and hour –> for messages older than week,
but still from the same year
- Date (day+month+year) and hour –> for messages
rom previous years

[MOS-871] Loudspeaker icon not updated when audio routing has changed

Fix for the loudspeaker icon has not changed while calling with
loudspeaker on and connecting headset to the phone.

[MOS-196] Add days of the week to the list of SMS, calls and notes

If an event (e.g. receiving a call or SMS) happened
in the current week, we display the days of the week
instead of the date on the list.

[MOS-204] Fix screen ghosting after emoji selection

Fix of the issue of screen ghosting after
emoji selection, visible particularly well
in messages app - changed fast refresh
to deep one on returning from emoji selection
screen to the previous application.

Additionally minor code cleanup.

[MOS-578] Fix incorrect logic with SMS notifications

Fixed case, when there's only one thread unread and
there's no info about the thread, only a generic message

Tests are deleted because the fix would require rewritting ALL
of those tests - those will be written with new implementation
of notification table

[MOS-35] Add more input modes for USSD reply

Previously only the mode restricted to digits was available.

[MOS-172] Fix asterisk button behavior in contacts

Fix of the improper asterisk button behavior
in new contact window - pressing the button
to change an input mode resulted in
'OPTIONS' label being displayed for the
left function button in navbar when the
asterisk button was held.

[MOS-279] Add templates list looping

Fix of the issue that templates list was
not looped.