Fixed typos in Russian translation of tutorial-advanced-app.md
Fixed broken links [ci skip]
`yii\log\Logger::flush()` updated to reset messages before passing them to the dispatcher.
Fixes #5997: The same message may be exported twice to log targets
Fixes #5938: add sentence method in Arrayhelper for convert the array to a comma-separated sentence
fix camelCase syntax
add tests for sentence method
dropped locale option
fix docs
Fixed broken links [skip ci]
Merge branch 'master' of git://github.com/yiisoft/yii2
Fixes #5983: Added `Inflector::sentence()`
Typo fix in guide
Fixed CCS for `yii\authclient\widgets\AuthChoice` does not loaded if `popupMode` disabled
Fixed `yii\console\controllers\AssetController` breaks CSS URLs, which start from '/'
Fixes #6007: added doc about asset bundle name [skip ci]
Update structure-assets.md

typo
Safe real path resolving added to `yii\console\controllers\AssetController::combineCssFiles()`
Merge branch 'master' of github.com:yiisoft/yii2
Spanish Guide minor changes [skip ci]