BUGFIX: Calculate age for forum thread from LastEdited instead of last post, in case there isn't a post. Odd data model
BUGFIX: Calculate age for forum thread from LastEdited instead of last post, in case there isn't a post. Odd data model

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