SVN-BACKPORT: CLO-4873 Backport CLO-4812 (SortWithinGroup keep losing records)

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-3-5@16450 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
UPDATE: removed use context class loader replacement

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16456 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
FIX: CLO-4867 Engine CTE tests with derby from extExamples fail (attempt #4)

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16457 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
UPDATE: always delegate "sun.*" instead of "sun.misc.*"

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16458 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
MINOR: code cleanup

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16459 a09ad3ba-1a0f-0410-b1b9-c67202f10d70
SVN: merge trunk-3-5 to trunk-4-0

git-svn-id: https://svn.javlin.eu/svn/cloveretl.opensource/trunk-4-0@16460 a09ad3ba-1a0f-0410-b1b9-c67202f10d70