Revert "unitsync crash debug #9"

This reverts commit 359c4ff094ed1e09db400e4f705d8a33e6604a7d.
Revert "unitsync crash debug #7"

This reverts commit 8dd3ec5e4e22629d37acee8a30b20398141daaf2.
fix SL unitsync crash
cause was: SL calls SetSpringConfigFile before Init, but ConfigHandler depends on DataDirLocator which wasn't ready yet to that time
update UnitSync test