Remove auto EJB 3.0 & 3.1 testing

Reexecuting a run under another profile fail
during release since the new version is not installed
in the repository yet.
Set BeanManager to null during Shutdown

* Possible memory leak
ARQ-1648 Upgrade ShrinkWrap to lates version

* ShrinkWrap 1.2.1
* ShrinkWrap Resolver 2.0.2
* ShrinkWrap Descriptors 2.0.0-alpha-5