Merge pull request #398 from EricpolUkraine/test

Release merge to 'development' v1.15.1
To issue #385 unit test are added
Merge pull request #400 from Bohdan-Tereta/development

Issue #372 fixed
To issue #385 integration tests to method CalculateVisaDays() are added
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	AjourBT.Tests/Controllers/ADMControllerTest.cs
	AjourBT/Controllers/ADMController.cs
unit tests fixed
Merge pull request #405 from AnnaStorozhenko/development

To issue #385 calculate visa days
Merge pull request #404 from Bohdan-Tereta/development

Issue # 402 fixed
Issue #266 completed. BTM  Test now have db check
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	IntegrationTests/IntegrationTests.csproj
integraton tests for BTsByDates tab VU
Merge remote-tracking branch 'upstream/development' into development
Merge pull request #407 from nazariitashak/development

Issue #266 completed. BTm and ABM test now have dbcheck
Issue #403 completed.
Merge pull request #409 from nazariitashak/development

Issue #403 completed.
IntegratiomTests For ADM fixed
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	IntegrationTests/IntegrationTests.csproj
Commit after merge
Issue #389 completed. Integration tests for ABM was fixed.
ADM, BTM roles added to initializer