[EGD-3486] Implementation of SMS handling in service-desktop
added message removal method
added message marking as read/unread
added message thread to_json() method, fixed unit test
added template processing except search
added SMS gathering by contactID
added getByText sms query
added template search query
[EGD-3470] Review changes
[EGD-3470] Date conversion to string and rework month view model
[EGD-3470] rework month model class, add date.h lib, Develop calendar month view model
[EGD-3307] Review changes
[EGD-33307] Add unit test, functionality fix
[EGD-3307] Calendar DB interface update
Implement adding record to db
Implement Removing elements from DB functionality
Implement Update element in DB functionality
Implement Get elements by date time period
Add time zone field
[EGD-3451] RequestRecordsCount refactor in whole project.
[EGD-3437] Navigation row and column fixup in Menu grid.
[EGD-3441] Review changes
[EGD-3441] add switch case
[EGD-3441] add refresh method
[EGD-3309] Create calendar all events list window and models
Add all events list window.
Create calendar list view based on phonebook list view.
Create customized calendar all events model for list item provider.
Create customized calendar all events item for list view.
[EGD-3310] DayModel changed to DayEventsModel.
[EGD-3310] Developed day event window and empty window