https://stackoverflow.com/questions/19488764/activiti-ldap-integration
https://community.alfresco.com/thread/220859-aciviti-513-ldap-integration
https://www.oschina.net/question/2921378_2198458
activiti-ldap-integration
原文：http://www.cnblogs.com/rgqancy/p/7098679.html
