[MOS-1062] Update texts in onboarding

* Update share capital value in EULA.
* Update copy on final onboarding screen.
* Minor line break fixes.

[MOS-1052] Change VoLTE label from 'beta' to 'experimental'

Changed VoLTE label from 'beta' to
'experimental'.
Fixed transition state label font
size to match the design.

[MOS-896] Update low battery screen view

Updated low battery screen view by adding
info windows appearing when trying to
interact with phone having critical
charge level.

[MOS-669] Add too hot battery notification when charging

* Added notification showing on the main
screen if the battery has reached too
high temperature to continue charging.
* Code cleanups.

[MOS-1033] Add 'beta' label to VoLTE switch for selected countries

Added mechanism enabling to individually show
or hide "beta" label on VoLTE switch for each
country.

[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)

[MOS-1020] Fix for losing unsaved data

Fix for losing unsaved data when the user click the BACK button while
creating or editing note/contact.

[MOS-930] Change translations for Old Messages text

Change translations for Old Messages text to Previous Messages text.

[BH-1749] Fix diacritics in translations

Some texts did not have diacritics in the translations

[MOS-930] Fix for for misunderstanding holes in sms conversations

Not all messages can fit on the current screen in sms conversation windows,
so there may be some holes that might suggest that  there are no more messages
to display. Now, when therea are more SMS to see by scrolling up,
the Old Messages label will indicate this fact.

[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.

[MOS-578] Fix misleading SMS notification text

Display "New message", translated accordingly - in
singular - in case there had been multiple unread
SMS messages and now only one remains unread.

[MOS-000] Cleanup of translation files

Removed unused, duplicated entries
Sorted up jsons

[MOS-636] Added MMI/USSD confirmation

USSD/MMI codes are now confirmed after they are sended.

[MOS-000] Fix duplicated Swedish translations

Remove redundant, duplicated Swedish translations
that have been found by translations checking
script.
Minor fix in Polish translation.

[MOS-874] Complement French translations

Additionally, deleted an unused translation item from
all languages.

[CP-1831] Editing contact which is deleted via Center can still be saved but with incomplete data

Fix for editing contact when it was deleted via Center.
Edited contact cannot be saved if it was deleted earlier. Proper communication is shown.
Fix for phonebook app was not handling database notifications correctly.

[MOS-166] Unify grey color levels

Unified gray color levels used for texts
displayed in GUI.
Fixed issue with 'No calls yet.' text
not displaying.

[MOS-920] Fix incorrectly displayed Swedish texts in Onboarding

Fix of the issue that some of the Swedish
translations were incorrectly displayed
in Onboarding - some were misaligned
and some didn't display at all.

[MOS-190] Add missing translations for EULA

Added missing EULA translations in French and Swedish.