added GlobalInterceptor
- Processing @Interceptors annotation and replacing with altered
InterceptionBindings. 

- Saving altered InterceptorBindings in GlobalInterceptorImpl

- Added new testcase:
TestInterceptedBean#testMultipleInterceptorBindings
created new test case: MyEJBServiceWithMultipleInterceptorBinding
- Implemented Ansatz 3^^
- Implemented @Stateless branch check
- Implemented caching for already processed interceptors
- Fixed Debug log in EntityManagerProducer
Refactoring
wrote javadocs
renamed interceptorwrapper
extracted InterceptorWrapperImpl.InterceptorWrapperData
refactoring