change .path files to be loaded from GitHub

2013/cable3/.entry.json

@@ -150,7 +150,7 @@
 	    "inventory_order" : 4294967295,
 	    "OK_to_edit" : false,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "directory path from top directory"
 	},
 	{

2013/cable3/index.html

@@ -537,7 +537,7 @@ the source size down. Other compilers are likely to produce similar warnings.</p
 <li><a href="fd.img">fd.img</a> - DOS boot sector</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
 <li><a href="hd.img">hd.img</a> - disk image</li>
-<li><a href=".path">.path</a> - directory path from top directory</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/.path">.path</a> - directory path from top directory</li>
 </ul>
 
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