Task #5359:  tryout two settings to make dist manager behave a bit more relaxed after adding polfar gave network troubles

Task #9015 Generic pipeline: Fixes the problem in ticket description. Keylists returned from parset objects are now always without comments.

Task #8725: merged branch to trunk. Because of the ongoing troubles with sara and srmcp, let's use new style python ltacp for all transfers

Task #8725: because of the ongoing troubles with sara and srmcp, let's use new style python ltacp for all transfers

Task #8990: TBB_Writer: Use proper constant for invalid sb storage idx, and add some comments. No change to program logic.

install xmlgen.py script which is both a lib and a bin script in site-packages lofar tree.
made executable script xmlgen (which imports xmlgen.py) for bin dir.
moved regression test data into test_regression.in_data dir, so ctest can copy it automagically.
made minor modifications to tests so they import the proper xmlgen module, and call the proper xmlgen bin script.'
added missing files

install xmlgen.py script which is both a lib and a bin script in site-packages lofar tree.
made executable script xmlgen (which imports xmlgen.py) for bin dir.
moved regression test data into test_regression.in_data dir, so ctest can copy it automagically.
made minor modifications to tests so they import the proper xmlgen module, and call the proper xmlgen bin script.'

Task #8898: Stop whole process group for services started through bash, and use .log as extension for stdout of services