Merge remote-tracking branch 'xnta/development' into development

Conflicts:
	IntegrationTests/IntegrationTests.csproj
Integration tests for VU not finished
Merge remote-tracking branch 'xnta/development' into development

Conflicts:
	IntegrationTests/DIRPage/BusinessTripTabTest.cs
merge with xnta
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	IntegrationTests/IntegrationTests.csproj
Merge pull request #420 from AnnaStorozhenko/development

To issue #265 Integration tests for VU, not finished (To 1.15.2 release)