Merge branch 'hotfix/3429'

Close #3429
Fixes #2628
Fixes #3075
Fixes #3108
Fixes #3182
Added option to change format in options when DateTime is build via Factory
Added option to change format in options when DateTime is build via Factory
Merge branch 'feature/datetime_factory_format' of github.com:pdobrigkeit/zf2 into feature/datetime_factory_format
Fixed usage of Traverseable for $options.
Did not want to duplicate the check done in Element, but rather used to already converted $this->options instead
Added Test
Fixed comment return val
Merge pull request #3437 from pdobrigkeit/feature/datetime_factory_format

Feature/datetime factory format
Forward #3437