UPDATE: CLO-3941 Explicit metadata propagation

First commit of engine part.

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16285 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
UPDATE: CLO-4549 - AddressDoctor: excluded AD tests from IBM Java.

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16287 a09ad3ba-1a0f-0410-b1b9-c67202f10d70