[MERGE] Always include timestamps in the trace file (i.e. remove -Dtimes in favour of having it switched on permanently)

[John Arbash Meinel]

Andrew Bennetts wrote:
> Martin (and I think maybe some other people) asked that -Dtimes just be on all
> the time, rather than an optional debug flag.  This patch does that.
> 
> -Andrew.
> 
> 

BB:approve