Deprecate Zend\Dom\Query in favor of more logical OO approach
Review fixes
Add Query class & deprecated NodeList in favor of Document\NodeList
Moved Query execution logic & added factory method for NodeList
I might lose my sanity if this is not right
Merge pull request #5356 from ThomasCantonnet/query-deprecated

Deprecate Zend\Dom\Query in favor of more logical OO approach

Conflicts:
	tests/ZendTest/Dom/QueryTest.php
[#5356] Deprecate Css2Xpath

- Marked Css2Xpath::transform as deprecated. It now triggers an
  E_USER_DEPRECATED error and proxies to Zend\Dom\Document\Query::cssToXpath().
[#5356] Updated README

- Detailed the deprecation of `Zend\Dom\Css2Xpath::transform`
Merge branch 'feature/5356' into develop

Close #5356