Merge pull request #536 from EricpolUkraine/development

Pre-release merge from 'development' to 'test' v1.15.5-alpha
Integration tests for BTM and VU are fixed
Merge pull request #537 from AnnaStorozhenko/test

Integration tests for BTM and VU are fixed
Merge pull request #542 from EricpolUkraine/test

Release merge v1.15.5.0
Merge pull request #543 from EricpolUkraine/master

Release merge v1.15.5.0