Merge pull request #1121 from xcom169/patch-1

Add OpenSAGE to the list

Author: TheJJ

Diff for: README.md

@@ -1,7 +1,7 @@
 [![openage](/assets/logo/banner.png)](http://openage.sft.mx)
 ============================================================
 
-**openage**: a volunteer project to create a free engine clone of the *Genie Engine* used by *Age of Empires*, *Age of Empires II (HD)* and *Star Wars: Galactic Battlegrounds*, comparable to projects like [OpenMW](https://openmw.org/), [OpenRA](http://openra.net/), [OpenTTD](https://openttd.org/) and [OpenRCT2](https://openrct2.org/). At the moment we focus our efforts on the integration of *Age of Empires II*, while being primarily aimed at POSIX platforms such as **GNU/Linux**.
+**openage**: a volunteer project to create a free engine clone of the *Genie Engine* used by *Age of Empires*, *Age of Empires II (HD)* and *Star Wars: Galactic Battlegrounds*, comparable to projects like [OpenMW](https://openmw.org/), [OpenRA](http://openra.net/),  [OpenSAGE](https://github.com/OpenSAGE/OpenSAGE/), [OpenTTD](https://openttd.org/) and [OpenRCT2](https://openrct2.org/). At the moment we focus our efforts on the integration of *Age of Empires II*, while being primarily aimed at POSIX platforms such as **GNU/Linux**.
 
 openage uses the original game assets (such as sounds and graphics), but (for obvious reasons) doesn't ship them.
 To play, you require *an original AoE II : TC installation or [AoE II: HD](http://store.steampowered.com/app/221380/)*