Fixed typo in comments for generatePasswordHash
Merge pull request #4662 from hwabbott/master

Fixed typo in comments for generatePasswordHash
Fixes #4659: adjusted nginx config in docs to serve 404 instead of "no input file specified" when accessing non-existing PHP file
Fixes #4637: fixed broken Twig method calls
Grammar fix
Fixes #4553: Smarty enhancements
Merge pull request #4619 from yiisoft/smarty

Smarty improvements
Merge branch 'master' of github.com:yiisoft/yii2