removed MD4 provider since it's bundled with the JRE
Removed the reference to javassist, it's already pulled by the ognl lib. Fix for DIRMINA-938
Merge branch '2.0' of https://git-wip-us.apache.org/repos/asf/mina into 2.0
Add unit test for DIRMINA-937. Ignored for the build not to fail
Fix session hanging due to unwrap not performend in extreme cases (DIRMINA-937)