update .winner.json

We used:

```sh
./run_all.sh ./gen_winner_json.sh
```

to update `.winner.json` files due to recent changes
made to `manifest.csv`.

2019/karns/.winner.json

@@ -49,16 +49,6 @@
 	    "display_via" : "github",
 	    "winners_text" : "original source"
 	},
-	{
-	    "file_path" : "demo.sh",
-	    "winners_rank" : 100,
-	    "created_by" : null,
-	    "prog" : null,
-	    "filetype" : "shellscript",
-	    "winners_show" : true,
-	    "display_via" : "github",
-	    "winners_text" : "run the demo"
-	},
 	{
 	    "file_path" : "maze",
 	    "winners_rank" : 100,
@@ -69,6 +59,16 @@
 	    "display_via" : "github",
 	    "winners_text" : "input maze map"
 	},
+	{
+	    "file_path" : "try.sh",
+	    "winners_rank" : 100,
+	    "created_by" : null,
+	    "prog" : null,
+	    "filetype" : "shellscript",
+	    "winners_show" : true,
+	    "display_via" : "github",
+	    "winners_text" : "run the demo"
+	},
 	{
 	    "file_path" : "2019_karns.tar.bz2",
 	    "winners_rank" : 300,
@@ -82,7 +82,7 @@
 	{
 	    "file_path" : "inventory.html",
 	    "winners_rank" : 900,
-	    "created_by" : "winner2nventory",
+	    "created_by" : "winner2inventory",
 	    "prog" : null,
 	    "filetype" : "html",
 	    "winners_show" : true,

2019/karns/inventory.html

@@ -217,15 +217,15 @@ href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/Makefi
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/prog.orig.c">prog.orig.c</a></td>
 </tr>
 <tr class="odd">
-<td style="text-align: left;">run the demo</td>
-<td style="text-align: left;"><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/demo.sh">demo.sh</a></td>
-</tr>
-<tr class="even">
 <td style="text-align: left;">input maze map</td>
 <td style="text-align: left;"><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/maze">maze</a></td>
 </tr>
+<tr class="even">
+<td style="text-align: left;">run the demo</td>
+<td style="text-align: left;"><a
+href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/try.sh">try.sh</a></td>
+</tr>
 <tr class="odd">
 <td style="text-align: left;">download winning source</td>
 <td style="text-align: left;"><a