translation into russian language docs/guide/start-gii.md
translate to russian language
Merge pull request #4661 from LAV45/translate-docs-to-ru

[skip ci] Translate docs/guide-ru/start-gii.md to russian language
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
Fixes #4597: `yii\composer\Installer::setPermission()` supports setting permission for both directories and files now (qiangxue)
Fixes #4553: Smarty enhancements
Merge pull request #4619 from yiisoft/smarty

Smarty improvements
Update db-active-record.md to correct a minor typo

changed problem to problems to correct a minor typo.
Merge pull request #4667 from jyaqub/patch-1

Update db-active-record.md to correct a minor typo
Add runner for all tests
Add namespaces to all tests
Use config variables instead constants. Cleanup redundant constants
Merge pull request #4671 from TriAnMan/test-runner

Provide aggregate test runner
Added runtime cleanup for Smarty and Twig tests
Fixed Smarty extension "use" function to work properly in linux environment
Added automatic generating of unique slug value to `yii\behaviors\Sluggable`
Default event for `yii\behaviors\Sluggable` with `unique` enabled changed to 'insert'.