[OGDev] force_wgs84, Helmert & deps

[Nick Burch]

On Thu, 23 Nov 2006, Dominic Hargreaves wrote:
> On Sat, Oct 28, 2006 at 06:18:09PM +0100, Paul Makepeace wrote:
>> I currently have t/53 failing due to WGS84 coords not being
>> calculated. I traced this back to Geo::HelmertTransform failing due to
>> it not being installed.

I've added a skip to t/53 if no Helmert Transform provider can be found. 
Revision 899 includes this.

You can now run the test without failure if you don't have 
Geo::HelmertTransform installed (that's currently the only Helmert provider 
we support)

Nick