Added new folder structure
Added basic form for CurrencyConverter
Added ViewModel constructor and basic tests
ViewModel can change status by input value. Added test.
ViewModel can disable button by input status. Added test.
Implemented convert() method in ViewModel
Fixed binding issue
Fixed issues found by gradle
Fixed issue with viewModel on linux
Added new form markup
Fixed issues according to Daniil's comments
Made ViewModelStatus visible only in viewmodel package
Merge pull request #101 from akarsakov/lab2-karsakov-mvvm

Карсаков - Лабораторная работа #2