[Git][blends-team/gis][master] Add sentinelsat and satpy

[Sebastiaan Couwenberg]

On 9/13/18 9:11 PM, Antonio Valentino wrote:
> +Depends: satpy

This dependency is too strict, the satpy package is not in the achive
yet, so Suggests should be used instead. The binary package is also
likely to be named differently.

There is no satpy ITP yet, that should have happened before adding the
package to the blends tasks.

Kind Regards,

Bas