pkg-msgs collect to end of install

[Sam Lawrance]

On Mon, 2005-05-02 at 08:29 +0200, Gerhard Schmidt wrote:
> Hi, 
> 
> I've done a lot of updating and installing of ports lately. I have seen 
> plenty of pkg-messages scroll up the screen unable to read them because 
> the port which printed them where installed as a dependency. 
> 
> It might by a good idea to collect all the messages displayed by depenancy 
> ports an display them at the end.

I thought about this briefly a couple days ago.  I had an idea that it
might be useful if things like pkg-message could be optionally emailed
to a chosen user.  Especially handy for ports that require attention
post-installation, and describe this in their pkg-message.