Merge pull request #178 from EricpolUkraine/development

Pre-release merge from 'development' to 'test' (v1.12.1-alpha)
Merge pull request #180 from EricpolUkraine/development

Pre-release merge from 'development' to 'test' (v1.12.1-alpha.1)
unit tests for calendar controller fixed
Merge pull request #182 from Bohdan-Tereta/development

Unit tests for calendar controller fixed
Issue #181 fixed
Merge pull request #183 from Bohdan-Tereta/development

Issue #181 ADM / BTs and BTM / Visas and Permits: LastBT column doesn't show proper BT fixed
Merge pull request #184 from EricpolUkraine/test

Release v1.12.1 merge from 'test' to 'development'