Moved tomee configuration to parent.
Added back logback. Covered almost all possible invocations of interceptors for @Stateless.
Added simple comments to know what should be invoked.
Added interceptors for Singleton. Showing how to pass parameters between interceptors.
Stateful interceptors.
Added example with changed order of incerceptors in ejb-jar.xml.
Merge pull request #2 from gmaslowski/ejb-interceptors

Ejb interceptors