Incorrect TableCell creation corrected

Cell must be of SHMCalculationScreenTableCell class, not standard UITableViewCell.
New UIViewController for FolksList screen

SHMFolksListViewController added. StoryBoard modified to use this controller for the middle screen in Tab Bar controller.
Changed the name for this tab to "Участники" in storyboard.
UITableView and UITextField added
It's possible to add new participants and they are shown in folksscreen tableview
Adding and Deleting rows functionality, Methods for getting information added. [4980792]

Public methods for returning names and participants numbers created. They will be needed for other modules. Added functionality for swiping on the row and delete it
added social friends adding controllers
refactoring

- убрал из public методы доступа к различным свойствам списка участников, вместо этого вывел туда сам property списка
- переделал интерфейс под storyboard
Merge branch 'task/4980878-СalculationScreen'

Conflicts:
	MoneyPlan/en.lproj/MainStoryboard.storyboard