PSR-2 : add space between for, if, do(..) while, while and open parentheses
[2.1.3] release prep

- Updated changelog
- Updated readme
- Updated Zend\Version
Version bumped to 2.1.4dev
Merge commit 'refs/pull/3826/head' of github.com:zendframework/zf2 into hotfix/cs
Forward port #3826