Initial MSSQL related commit.
Console helper: use self:: for refering to constants
Check if trait was loaded
Use Composer autoload to handle dependency class loading
Enhance ArrayHelper with popValue method
Fix 'automated' (?) space
Fix silly typo
Fixed YiiBaseTest echo

it echoed Yii version which is not necessary
created StringHelper::basename()

In contrast to php function basename() It that always uses \ and /
as directory separator.
It is needed for use on Classnames that contain namespaces.
Fixes #192
Renamed yii.php -> Yii.php for class, filename consitency

See https://github.com/yiisoft/yii2/issues/123#issuecomment-17657374
Issue #123
Removed static variable from autoload per qiangxue's suggestion
Auth manager init version
refactoring.
Moved to framework/rbac + method names refactoring
Application::getAuthManager() comment fix
Fixes issue #174: make URL parameters available in $_GET.
Merge pull request #195 from suralc/trait-autoload

Check if trait was loaded
Fixed Yii::importNamespaces() bug.
Merge branch 'master' of https://github.com/yiisoft/yii2
Moved "framework" to "iii".