PSR-2 : add space between for, if, do(..) while, while and open parentheses
Fixed PHPDoc block
Fix usage of sprintf
Fix usage of xpath
Update library/Zend/Validator/AbstractValidator.php
Added accessor for validation group
Added tests
Merge commit 'refs/pull/3826/head' of github.com:zendframework/zf2 into hotfix/cs
Merge pull request #3826 branch 'hotfix/cs'
Merge commit 'refs/pull/3861/head' of github.com:zendframework/zf2 into hotfix/add-getter-form-validationgroup
[#3861] micro optimization
Merge pull request #3861 branch 'hotfix/add-getter-form-validationgroup'
Fix mismatches between the PHPDoc and the method signatures
Add two test case which failed now
added catalan translations
fix small typo
Update library/Zend/Http/Headers.php

fix phpdoc
Allow NULL parameter values in Zend/Json/Server

Allow NULL as an acceptable value for non-optional method parameters.
Added test case
Fixed formatting issue