test_suite: fix check for logfiles of host beeing nor primary nor designated primary
test_suite: correct position of debug message
test_suite: fix uninitialized variable
test_suite: fix initialize 5.total.log
test_suite: create emtpy *.conf files for conveniance

Now you can always use
.../start_test.sh --config_root_dir=<test suite dir>/test_cases
instead of having to provide different values for config_root_dir
test_suite: add missing test case
test_suite: create emtpy *.conf files for conveniance

Now you can always use
.../start_test.sh --config_root_dir=<test suite dir>/test_cases
instead of having to provide different values for config_root_dir
test_suite: use uniform directory for --config_root_dir
test_suite: fix wrong test case name
test_suite: refactoring
test_suite: fix don't remove the block special file!