Product version in Bug Activity

[Gervase Markham]

Maxwell Kanat-Alexander wrote:
> 	Actually, that information can be re-created by knowing the original
> state of the bug, and running through the bugs_activity table, or
> knowing the current state of the bug, and running the bugs_activity
> table backwards.

Actually, I'm pretty sure the bugs_activity table doesn't (or, at least, 
hasn't in the past) store enough information for this to be possible for 
all types of change.

Gerv