Merge pull request #451 from EricpolUkraine/test

Quick fix 1.15.2.1
Merge pull request #462 from EricpolUkraine/development

Pre-release merge from 'development' to 'test' v1.15.3-alpha
Merge pull request #26 from EricpolUkraine/test

from ajour\test
WTR\WTRTabTest was fixed
Issue #465 fixed.
Issue #423 fix after  #429 implementation
Merge pull request #467 from nazariitashak/test

WTRTabTest was fixed. Issue #465 was fixed.
Issue #413 fixed
Issue #463 partially fixed
Issue #464 completed. Unit tests was fixed.
PU: create identical departments, units fixed, locations controller only
Merge pull request #472 from nazariitashak/test

Issue #464 completed. Unit tests was fixed.
PU: for create identical departments, units, locations validation added
Merge pull request #469 from Bohdan-Tereta/test

Issue #423, #413, #463, #474 fix after  #429 implementation
To issue #428 unit tests fixed
Pagination for PU/Log fixed
merge with  xnta
Issue #473 fixed
Issue #470 completed.
Unused javascript code was removed.