ZF2-402: JsonStrategy return renderer in any case

Description

Actually Zend\View\Strategy\JsonStrategy::selectRenderer return renderer after all conditions, should not do that.

It crash stack of view strategies.

As example FeedStrategy doesn't return renderer by default only if one of conditions is true.

Comments

Pull request #1905 has small patch for that: https://github.com/epoleacov/zf2/…

This issue has been closed on Jira and moved to GitHub for issue tracking. To continue following the resolution of this issues, please visit: https://github.com/zendframework/zf2/issues/2502