BUGFIX: migration could take years, remove time limit
BUGFIX: migration could take years, remove time limit

gordonbanderson/silverstripe-forum,mandrew/silverstripe-forum,Olliepop/silverstripe-forum,Olliepop/silverstripe-forum,gordonbanderson/silverstripe-forum,camfindlay/silverstripe-forum,mandrew/silverstripe-forum,camfindlay/silverstripe-forum