Translator\Loader\PhpArray can now load files from include path
moved include path restore to tearDown, reused stream_resolved_include_path result
backup original include path on setUp and restore on tearDown, unified loading
added loading from include path feature to all translator loaders
fixed loading from phar
removed unnecessary test file
CS fixes
Merge pull request #4515 from robertboloc/#4443

Issue #4443 - Zend\I18n\Translator\Loader\PhpArray can now load files from include path
Merge branch 'feature/4515' into develop

Close #4515