[BH-2069] Update license URL in headers

Update outdated license file URL in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

[MOS-644] Displaying number entered on the keypad during a call

Now, on the active call screen, the user can see the numbers provided during the call,
which is useful when, for example, the user calls a call center.

[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-1047] Fix calling abort() in EnterNumberWindow

* Removed call to abort() method in case
EnterNumberWindow's SwitchData handler
receives message that can't be handled,
what caused the phone to crash.
* Unify ApplicationCall window names
definitions.
* Code cleanup.

[MOS-1010] Fix for Alarm disappearance during end of call window

It was possible to display an Alarm with the appropriate Alarm window exactly when
end of call window with call summary are displayed and automatically closed after
3 seconds. This commit will fix this scenario. Now Alarm is snooze in the same way
as if there is a phone call going on.

[MOS-929] Block executing call when phone number empty

Fix of the issue that when trying to call empty
number when entering number via keypad
on main screen, popup 'Something went wrong'
would appear, while no action should
happen in such case.

[BH-1745] Fix a deep press crash during popups

Rewrite the popups filter to remove unnecessary popups.
Remove callbacks from activate and deactivate popups
which cause problems when the popups was on the stack.

[MOS-1002] Change USSD code handling to match design

Fixed issues with GUI behaviour on failed
USSD code handling.
Minor code cleanup in several parts of system.

[BH-1412] Fix services dependencies

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

[MOS-30] Fix for Alarm not being handled properly during a phone call

During the phone call, the alarm was not displayed and subsequent alarms
after this scenario did not work. This has now been fixed and the alarm
during a phone call will be automatically snooze.

[MOS-1004] Fix autolock on SMS template call rejection

Fix of the issue that unlocked phone would
automatically lock after user tried to reject
incoming call via SMS and stayed on the
templates window.

[MOS-994] Fix redirection to dial number view by pressing BACK from add new number view

Fix for inconsistent redirection when the user dial number from home screen and
want to save it but instead of save the user click BACK
to go to screen with dialed number

[MOS-341] Fixed autofill data during adding previously deleted phone number

Fixed a scenario when the user, after deleting some contact, wont to add
this previously deleted number to contact by providing a phone number from
home screen and clicking Add button.

[MOS-973] Fix for a ghost call after quick click back key to end a call

Fixed a scenario where the user click to make a call to some contact and
then quickly click BACK (right function button) to end the call and despite
that Pure was still calling without showing any information.
This fix prevent to handle key press event as a key longpress even after
application lose a focus, or change a state.

[MOS-942] Fix access to contacts when onboarding in progress

During onboarding, the user could add new contacts
by entering the emergency call screen.

[MOS-925] Fix redirection on BACK from sending message from Contact view

Fix for inconsistent redirection to message threads list when pressing
BACK from sending message from Contact view. Also proveded mechanizm
to help switching back to previous App, when some App call window
from another App.

[MOS-29] Fix invalid screen after rejecting with template

Fix of the issue that rejecting call with template
resulted in displaying 'Call ended' screen, while
'Call rejected' screen should be displayed.

Fixed missing 'USE' label in templates
window.

[MOS-359] Fix returning to call screen from message template

Fixed returning to the call screen from the message template screen
from which the user can send a message during an incoming call.

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

Fix for the loudspeaker becomes active again when a headset is unplugged
if it was on while the headset was connected to the phone.
Fix typo in Bluetooth in EventType enum.

[MOS-29] Fix invalid screen after missed call

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