[Geotiff] Migration to git and hosting on GitHub

[Howard Butler]

> On Dec 20, 2018, at 7:02 AM, Even Rouault <even.rouault at spatialys.com> wrote:
> 
> Hi,
> 
> Interpreting the absence of opposition as approval, 
> I declare https://github.com/OSGeo/libgeotiff to be the new home for 
> libgeotiff code hosting and issue tracking.
> 
> I've updated the Trac page to point to it.
> 
> I'll soon merge https://github.com/OSGeo/libgeotiff/pull/2 if nobody objects.

I approve both, but having suggested migrating to Github in the first place, I do not know if I'm an impartial party.

Howard