Added memcached service in Travis YAML
Merge branch 'hotfix/travis-memcached' into develop
Fixes #884.
Merge pull request #883 from pmoust/travis-yaml

Added Memcached for Travis
moved redis out of yii\db namespace
updated @property annotations of web\Request
moved getPDOType() back to Command to avoid dependency on Schema

fixes #854
added property docs to AR test classes
Update passwordResetToken.php
Update SiteController.php
Merge pull request #889 from sergon/patch-6

Update SiteController.php
Merge pull request #888 from sergon/patch-5

Update passwordResetToken.php
Fixes #885: removed NULLs from filtering by models.
moved CacheSession::init() parent call after init of cache component

session autostart would fail otherwise.
fixes #887
added simple unit test for CacheSession
100% test coverage for CacheSession
added unit test for Model::load()
updated classmap
Added support for data-method and data-confirm.
Added Controller::enableCsrfValidation to support turning on/off CSRF validation for particular actions.