EZP-21625: added content/read check if version is published
Updated dependencies
Merge pull request #533 from ezsystems/fix-EZP-21625-loadrelations-permissions

EZP-21625: loadRelations() does not check if given VersionInfo is about currently published version
Fix EZP-21531: As a user I need a way to pick correct Content name language
Replaced deprecated Twig_Function_Method and Twig_Filter_Method by Twig_SimpleFunction and Twig_SimpleFilter
Merge pull request #535 from ezsystems/ezp_21531

Fix EZP-21531: As a user I need a way to pick correct Content name language
EZP-21531: Changed ezpublish.content_helper service name to ezpublish.translation_helper

Ref #535
Merge branch 'master' of git://github.com/ezsystems/ezpublish-kernel
EZP-21516: added CONTAINS operator
EZP-21516: implemented Criterion field value conversion
EZP-21516: configure Legacy Handler with Criterion value conversion
EZP-21516: handle CONTAINS operator in Solr storage
EZP-21516: added SearchField for Country field type
EZP-21516: updated Legacy SearchHandler tests
EZP-21516: updated SearchService integration tests
CS: removed extra new line
PHPDoc: fixed class description
EZP-21516: added has() method to Converter field value handler registry