同步操作将从 小柒2012/BPMN 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
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GNU GENERAL PUBLIC LICENSEVersion 3, 29 June 2007Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>Everyone is permitted to copy and distribute verbatim copiesof this license document, but changing it is not allowed.PreambleThe GNU General Public License is a free, copyleft license forsoftware and other kinds of works.The licenses for most software and other practical works are designedto take away your freedom to share and change the works. By contrast,the GNU General Public License is intended to guarantee your freedom toshare and change all versions of a program--to make sure it remains freesoftware for all its users. We, the Free Software Foundation, use theGNU General Public License for most of our software; it applies also toany other work released this way by its authors. You can apply it toyour programs, too.When we speak of free software, we are referring to freedom, notprice. 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