improve display_via_github and display_as values

Fixed some inconsistent use of display_via_github and display_as values.

2015/howe/.entry.json

@@ -110,7 +110,7 @@
 	    "inventory_order" : 250,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : true,
+	    "display_via_github" : false,
 	    "entry_text" : "War and Peace translated to English"
 	},
 	{
@@ -149,7 +149,7 @@
 	    "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"
 	},

2015/howe/index.html

@@ -265,7 +265,7 @@ Comm. of ACM, Vol. 18, June 1975, pages 341-343<br />
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/spoiler/Makefile">spoiler/Makefile</a> - SPOILER WARNING how to make the spoiler</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/spoiler/err.h">spoiler/err.h</a> - SPOILER WARNING</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/spoiler/prog.c">spoiler/prog.c</a> - SPOILER WARNING</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/war-and-peace.txt">war-and-peace.txt</a> - War and Peace translated to English</li>
+<li><a href="war-and-peace.txt">war-and-peace.txt</a> - War and Peace translated to English</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>