Accept Predicate as-is into where()

Change-Id: Ia1d4cf65ec64c70664cb05c51cdf8f133d2e730d
Merge branch 'fix/select.predicate' of git://github.com/YonmaN/zf2 into YonmaN-fix/select.predicate
Cleaned up CS in Test file
Added new param to docblock in Select.php
Merge branch 'YonmaN-fix/select.predicate' into develop