new port search format

[Rainer Müller]

William Siegrist wrote:
> Maybe something along the lines of the "w" option to ps?  Or a verbose  
> flag that turns on/off the descriptions?

Hm, we could remove the descriptions by default and only show it in 
verbose mode. Although, then users might miss the descriptions at all?

If you only want the port names without version information or 
descriptions, you can already use `port -q search`.

Rainer