jenkins plugin 开发：
document
http://hudson-ci.org/docs/index.html
https://wiki.jenkins-ci.org/display/JENKINS/Extend+Jenkins
https://wiki.jenkins-ci.org/display/JENKINS/Plugins
https://wiki.jenkins-ci.org/display/JENKINS/Plugin+tutorial
http://wiki.hudson-ci.org/display/HUDSON/Extend+Hudson
http://jenkins-ci.org/category/sections/development
Book
http://www.packtpub.com/jenkins-continuous-integration-cookbook/book
https://www.packtpub.com/web-development/extending-jenkins
http://shop.oreilly.com/product/0636920010326.do
Tutorial
http://code.dblock.org/implementing-my-first-jenkins-plugin-ansicolor
https://github.com/tupilabs/jenkins-testlink-plugin-tutorial
http://blog.codecentric.de/en/2012/08/tutorial-create-a-jenkins-plugin-to-integrate-jenkins-and-nexus-repository/
http://tupilabs.com/books/jenkins-testlink-plugin-tutorial/en/