Removed obsolete property in EzPublishCoreExtension
Fixed EZP-20010 - Missing locale and translation support in Twig & Public API, locale mapping needed
EZP-20010 - LocaleConverter now uses PSR3 logger
EZP-20010 - Added semantic configuration to be able to easily add custom locales to the map
EZP-20010 - Removed empty line
Merge pull request #267 from ezsystems/locale_conversion

Fixed 20010 - Missing locale and translation support in Twig & Public API, locale mapping needed
Fix EZP-20509: cache issues when creating content
Fix exception
Error: Wrong parameters for Exception([string $exception [, long $code [, Exception $previous = NULL]]])
Merge pull request #269 from ajohnstone/master

Incorrect definition for exception
Updated Stash in composer.json to use a fork, waiting for filesystem driver fix is pulled in tedivm/Stash.

Ref https://github.com/tedivm/Stash/pull/66
Fixed 20617 - eZ MB Password Expiry confirmation link throws an UnauthorizedException

Also fixes EZP-20619 - Star rating access error popup where it should not be showed
Made Stash FileSystem driver the default one
Fixed EZP-20618: Multiupload freezes on the end of the first file
Activated Ephemeral Stash driver when using FileSystem as it's more efficient.