[jonah] metric conversion

[Chuck Hagenbuch]

Quoting Tim Gorter <email@teletechnics.com>:

> Attached are diff files to allow user to select metric display of weather
> values.
> 
> Also small change in api.php to allow radar window to resize=yes and
> scrollable=yes, as not all radar pictures are the same size.

Committed, thanks!

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"People ask me all the time what it will be like living without otters."
 - Google, thanks to Harpers