Merge remote-tracking branch 'Kwoth/1.9' into 1.9

NadekoBot.Core/Modules/Games/Services/GamesService.cs

@@ -200,7 +200,7 @@ namespace NadekoBot.Modules.Games.Services
                             {
                                 var sent = await channel.SendFileAsync(
                                     fileStream,
-                                    "drop.png",
+                                    "drop.gif",
                                     toSend).ConfigureAwait(false);
 
                                 msgs[0] = sent;