Bug#841433: ITP: gmat -- Spacecraft mission analysis, desing and simulation

[Christoph Berg <myon@debian.org>]

Re: Rock Storm
> * Package name    : gmat
>   Version         : 2015a
>   Upstream Author : National Aeronautics and Space Administration
> * URL             : http://gmatcentral.org

Seems to have moved to https://software.nasa.gov/software/GSC-17177-1

> * License         : Apache-2.0
>   Programming Lang: C++
>   Description     : Spacecraft mission analysis, desing and simulation

It requires Matlab to build, so it will need to be in contrib, with no
sane way to autobuild.

Given the last release was 2016 and this RFP hasn't attracted
interest, I'd suggest to just close it.

Christoph