Merge pull request #584 from EricpolUkraine/test

Release merge v1.16.1.0 from 'test' to 'master'
Merge pull request #585 from EricpolUkraine/master

Release merge v1.16.1.0 from 'master' to 'development'
Merge pull request #34 from EricpolUkraine/development

from Ajour\development
Regenerated migrations as planned in issue #416
commented up and down code in InitialCreate migration since it will not be used anyway but gives an initial schema representation
Issue #588 fixed
Issue #586 fixed
Merge pull request #589 from Bohdan-Tereta/development

Issue #416, #586 fixed
Merge pull request #590 from nazariitashak/development

Issue #588 fixed
Issue #593 fixed
Issue #595 fixed.
Issue #593.1 fixed
Merge pull request #594 from Bohdan-Tereta/development

Issue #593, #592.1 fixed
Merge pull request #596 from nazariitashak/development

Issue #595 fixed.
Merge pull request #597 from EricpolUkraine/development

Pre-release merge 1.16.1.1-alpha from 'development' to 'test'