Request to add formatInterval to klocale

[Michel Hermier]

John Tapsell wrote:
> Hi all,
>
>  In KLocale there is a formatNumber, formatTime, formatByteSize  etc.
>
> I would like to add a formatInterval(unsigned long msec), which
> formats a time interval.
>
Hi,

I think formatDuration is a better name, since interval of time are 
duration.
Else it's a good idea.

Michel