Added default value for error in Model::addError().
Converted CRLF to LF. Added gitattributes file.
ActiveRecord::setAttribute() bugfix
ActiveRecord::setOldAttribute() bugfix
Merge pull request #576 from creocoder/ar-set-attribute

ActiveRecord::setAttribute() bugfix
Added acceptance tests for the basic app.
Merge branch 'master' of github.com:yiisoft/yii2
Forcedly set file type by extension.
Adjust for test integration.
Merge pull request #573 from bio/normalize-repo

Converted CRLF to LF. Added gitattributes file.
Added functional tests for the basic app.
Merge branch 'master' of github.com:yiisoft/yii2
Fixes issue #579: AccessControl deny rule by default
Added Formatter::nullDisplay.
Added Html::ol() and Html::ul()
cleanup.
encode checkbox and radio list by default.
Added itemOptions for Html::ol
Added Model::load(). Added Controller::refresh() and redirect().
Added Model::loadMultiple() and validateMultiple().