EZP-22143: Removed dead code in ExceptionConversion gateway
EZP-22143: Removed unused use statements
EZP-22143: Removed dead code in EzPublishRestBundle
EZP-22143: Removed dead code in UrlAlias matcher
EZP-22143: Removed dead code in SortClauseConverter
EZP-22143: Fixed some argument type hinting
EZP-22143: Fixed tests for Binary based field types
EZP-22143: Fixed type hinting for Content\Type\Gateway\EzcDatabase
EZP-22143: Removed unused use statement in PreviewController
Merge pull request #674 from ezsystems/fix_EZP-22143_deadCodeTypeHinting

Fix EZP-22143: Fix dead code and type hinting issues reported by SensioLabs Insight