Add allowed_object_binding_class to fieldset.
Add tests for Fieldset::allowObjectBinding() method
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Fix CI for php 5.3
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Merge conflicts
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Make sure the options from composed object and target object are being merged.
Clearify comment
Merge pull request #5741 from veewee/fieldset-allowed-object-class

Make allowObjectBinding configurable for Fieldsets
Merge branch 'hotfix/5741' into develop

Close #5741