Merge branch 'master' into deprecate_usersettings

CHANGELOG.md

bower.json

config/global.ini.php

console

core/Common.php

core/DataArray.php

core/Exception/AuthenticationFailedException.php

core/Exception/Exception.php

core/Exception/MissingFilePermissionException.php

core/Exception/NoPrivilegesException.php

core/Exception/NoWebsiteFoundException.php

core/Filechecks.php

core/FrontController.php

core/Plugin/Controller.php

core/Plugin/MetadataLoader.php

core/Session.php

core/Tracker.php

core/Translate.php

core/Twig.php

core/Updates/1.8.3-b1.php