Merge pull request #4480 from marc-mabe/hotfix/4445

fixed Cache\StorageFactory::factory()
Merge branch 'hotfix/4452' of git://github.com/weierophinney/zf2 into hotfix/4452
Merge branch 'hotfix/4480'

Close #4480
Fixes #4445
Merge branch 'hotfix/4480' into develop

Forward port #4480
Merge pull request #4489 from gag237/replaceMagicNumber

Replacing the magic number for a list of constants in Validator\NotEmpty
Merge branch 'feature/4489' into develop

Close #4489
Merge pull request #4494 from Slamdunk/patch-1

Add build.xml to .gitattributes/export-ignore
Merge branch 'hotfix/4494'

Close #4494
Merge branch 'hotfix/4494' into develop

Forward port #4494
fix docblocks : Zend_ should be Zend\
update naming
Zend\\Mime\\Mime::LINEEND
Merge pull request #4497 from localheinz/hotfix/name-of-test

Fix name of LoggerAbstractServiceFactory test
Merge branch 'hotfix/4497'

Close #4497
Merge branch 'hotfix/4497' into develop

Forward port #4497
Merge pull request #4498 from localheinz/hotfix/method-level-comments

Update the method level comment to reflect change in signature
Merge branch 'hotfix/4498'

Close #4498
Merge branch 'hotfix/4498' into develop

Forward port #4498
Merge branch 'hotfix/4452'

Close #4452
Merge pull request #4499 from localheinz/hotfix/filter-plugin-manager-unaware-of-datetime-formatter

Add service definition for DateTimeFormatter (related to #3632)