Fixes #2702: added doc about customizing error response format [skip ci]
added anchor [skip ci]
Fixes #4947
Fixes #4948. Thanks, @johan162
minor doc adjustment [skip ci]
added array fixture class
Fixes #4945: Added `yii\test\ArrayFixture`
Make unit tests cleanup a DB after finish
skip fixture controller test on HHVM
Update finnish translation
Return a fixtures cleanup in case of a failing test
Merge pull request #4951 from TriAnMan/testdbcleanup

Make unit tests cleanup a DB after finish
Merge pull request #4953 from janisto/message_fi_update-3

Update finnish translation
note about validation rules order

fixes #2268
Fixed test case.
Fixed test break.
Typo fixed inside \yii\rest\CreateAction
Merge pull request #4961 from creocoder/fix-typos-1

Typo fixed inside \yii\rest\CreateAction
Fix bug in Estonian translation
Merge pull request #4963 from stevekr/master

[skip ci] Fix bug in Estonian translation