Use sane IDs for XBMC JSON RPC calls

src/NzbDrone.Core/Notifications/Xbmc/JsonApiProvider.cs

@@ -215,7 +215,7 @@ namespace NzbDrone.Core.Notifications.Xbmc
                 postJson.Add(new JProperty("params", parameters));
             }
 
-            postJson.Add(new JProperty("id", DateTime.Now.Ticks));
+            postJson.Add(new JProperty("id", 2));
 
             return postJson;
         }

src/NzbDrone.Core/Notifications/Xbmc/XbmcService.cs

@@ -58,7 +58,7 @@ namespace NzbDrone.Core.Notifications.Xbmc
                 var postJson = new JObject();
                 postJson.Add(new JProperty("jsonrpc", "2.0"));
                 postJson.Add(new JProperty("method", "JSONRPC.Version"));
-                postJson.Add(new JProperty("id", DateTime.Now.Ticks));
+                postJson.Add(new JProperty("id", 1));
 
                 var response = _httpProvider.PostCommand(settings.Address, settings.Username, settings.Password, postJson.ToString());