Format DateTime values correctly
Merge branch 'hotfix/4452'

Close #4452
Merge branch 'master' of github.com:zendframework/zf2
Merge branch 'hotfix/4499'

Close #4499
Merge pull request #4509 from davidwindell/hotfix-datetimeformatter-4506

[DateTimeFormatter] Format DateTime values correctly
Merge branch 'hotfix/4509' into develop

Forward port #4509