This page is a helper for developers than want to get into Jenkins but are confused with strange APIs, unknown frameworks, and undocumented conventions. It doesn't expect to be a full technical documentation of Jenkins internals but the minimal survival guide for newbies contributor that want to start building plugins.
Plugin developer's Tutorial
We will create a plugin to support the new generation build tool : GRaveN (as you know, Maven and Gradle merged in 2013 to create this awesome tool)
Part 3 : Execute some tasks and manage execution on slaves (soon)
Part 4 : Add custom Actions to extend the build
Part 5 : ?