Bug Fix: Two download buttons, not one

For the moment, let's show two-download buttons and point to both
the engine and the assets.

_config.yml

@@ -34,6 +34,9 @@ github_username:  vegastrike
 gitter: https://gitter.im/vegastrike/community
 google_site_verification: z7w-3d4YMTeLVhjeVElqaV1_qmjG-zKJzKGVDgZucvY
 
+engine_download_url: https://github.com/vegastrike/Vega-Strike-Engine-Source/releases
+vsutcs_download_url: https://github.com/vegastrike/Assets-Production/releases
+
 # theme options from https://bootswatch.com/3/
 # comment out this to use default Bootstrap
 bootwatch: cyborg #paper cerulean cosmo custom cyborg darkly flatly journal lumen readable sandstone simplex slate solar spacelab superhero united yeti

index.html

@@ -6,7 +6,11 @@
     <div class="container">
         <h1>Vega Strike Project</h1>
         <p>Open Source 3D Space Flight Sim: Trade, Fight, Explore</p>
-        <p><a class="btn btn-primary btn-lg" href="{{ site.git_address }}/releases" role="button">Download Now</a></p>
+        <div class="container">
+         <dt><a class="btn btn-primary btn-lg" href="{{ site.engine_download_url }}" role="button">Download Vega Strike Engine</a></dt>
+         <dt><!-- just some emtpy content so that there's some space between the buttons -->&nbsp;</dt>
+         <dt><a class="btn btn-primary btn-lg" href="{{ site.vsutcs_download_url }}" role="button">Download Vega Strike: Upon the Coldest Sea</a></dt>
+        </div>
     </div>
 </div>
 <div class="container">