Using only arrays in rules instead comma-separated string
fixed ActiveRelation::__clone() to work with via relation
Little helpful description for Session::cookieParam
Merge pull request #1188 from egorpromo/little-description-for-cookiePram

Little helpful description for Session::cookieParam
Fix rules generator
Refactor all models to new rules format
Fix test
Add type hinting
Fix test
Add array conversion on creating validator
Update phpDoc
massive improvement on class documentation

- added example code for application components
- added missing short description

[ci skip]
updated composer.json to be less restrictive

also removed superflous minimum-stability definition
Fixed apps rules
typo fix.
Merge branch 'master' of github.com:yiisoft/yii2
Fixes #1195.
Fixes #1191
Fixes #1193
Merge pull request #1184 from slavcodev/only-arrays-in-rules

Using only arrays in rules instead comma-separated string