[Development] Retiring libtiff too

[Allan Sandfeld Jensen]

On Friday 29 April 2016, Thiago Macieira wrote:
> See https://lists.clearlinux.org/pipermail/dev/2016-April/000290.html
> 
> This is yet another reason we have to stop bundling third party components,
> especially the image and movie formats.
> 
> So I recommend dropping the libtiff 3rdparty component and keep the plugin
> for when the system library is found. Our binaries should not include
> libqtiff.
Do you have any citations for these issues? TIFF is a pretty important format 
being the raw format of many if not most digital cameras. It also isn't a web 
format so the vectors of potential attacks are limited 

`Allan