joker/composer

作者	SHA1 备注	提交日期
Jordi Boggiano	1d5f5885bc Remove useless abstract methods, interface is enough	14 年之前
Jordi Boggiano	7ea2fd6c93 Fix author/copyright	14 年之前
Nils Adermann	3a851b4059 Define an interface for packages and move package code to separate namespace.	14 年之前