yiisoft/yii — pull request #2935 by ivan-chkv (2013-10-08 20:14:27+00:00)
Title: add rootAlias2

It allows to make alias with a vendor name like the following:
Yii::setPathOfAlias('VendorName.SomeLib1', '...');
Yii::setPathOfAlias('VendorName.SomeLib2', '...');
That is very useful if a few libraries have different paths but the same common first namespace level.