improve display_via_github and display_as values

Fixed some inconsistent use of display_via_github and display_as values.

2004/arachnid/.entry.json

@@ -46,7 +46,7 @@
 	    "inventory_order" : 100,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : true,
+	    "display_via_github" : false,
 	    "entry_text" : "an alternate maze"
 	},
 	{
@@ -85,7 +85,7 @@
 	    "file_path" : ".path",
 	    "inventory_order" : 4294967295,
 	    "OK_to_edit" : false,
-	    "display_as" : "text",
+	    "display_as" : "path",
 	    "display_via_github" : true,
 	    "entry_text" : "directory path from top directory"
 	},

2004/arachnid/index.html

@@ -211,7 +211,7 @@ explorers out there.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/arachnid.alt.c">arachnid.alt.c</a> - alternative source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/arachnid.orig.c">arachnid.orig.c</a> - original source</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/arachnid.txt">arachnid.txt</a> - an alternate maze</li>
+<li><a href="arachnid.txt">arachnid.txt</a> - an alternate maze</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>