Update library/Zend/Form/View/Helper/FormRow.php

setRenderErrors is not always set to true, incase it has been set to false already.
Tests for __invoke  parameter
Revert formatting
Merge branch 'patch-1' of git://github.com/rb-cohen/zf2 into hotfix/3345
[#3345] CS fixes

- Trailing whitespace
Merge branch 'hotfix/3345'

Close #3345