Prepare to work: fix for gradle build
empty template of View
empty view model
We may calculate salary when parameters is normal
Add check vacation input
done money format
Add fake test for View
We may check format of Date
Realize throw in Model, connect View and ViewModel, lab work is done
Fix bad check in button 'calculate'
Change type of exception
Add extra spaces
Merge pull request #128 from Anton-Lazarev/lazarev-lab2-MVVM

Лазарев Антон - лабораторная работа №2
Added Infrastructure files
Merge branch 'lab3-Ryabusheva-logger' of https://github.com/aryabush/agile-course-practice into lab3-Ryabusheva-logger