Merge branch 'hotfix/4996'

Close #4996
[2.2.3] Release readiness

- Bumped version to stable
- Created changelog
Merge branch 'releases/2.2.3'

2.2.3 readiness
Bump to next dev version

- 2.2.4dev
Merge branch 'releases/2.2.3' into develop

2.2.3 readiness

Conflicts:
	README.md
	library/Zend/Version/Version.php
Merge branch 'version/bump' into develop

Bump to next dev version

Conflicts:
	README.md
	library/Zend/Version/Version.php