change test files that do not end in .txt to view via GitHub

1994/horton/.entry.json

@@ -78,7 +78,7 @@
 	    "inventory_order" : 150,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "data for gtfsace"
 	},
 	{

1994/horton/index.html

@@ -236,7 +236,7 @@ It’s easily modified to graph <em>any</em> 96x160 bitmap on a dumb terminal.</
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/horton/try.alt.sh">try.alt.sh</a> - how to run alternative code</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/horton/try.sh">try.sh</a> - how to run</li>
 <li><a href="login_sept92-pp28-31.pdf">login_sept92-pp28-31.pdf</a> - login article on graphics for dumb terminals</li>
-<li><a href="gtface.data">gtface.data</a> - data for gtfsace</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/horton/gtface.data">gtface.data</a> - data for gtfsace</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>

1994/tvr/.entry.json

@@ -78,7 +78,7 @@
 	    "inventory_order" : 150,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "black and white"
 	},
 	{
@@ -86,7 +86,7 @@
 	    "inventory_order" : 150,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "RGB values"
 	},
 	{

1994/tvr/index.html

@@ -325,8 +325,8 @@ mono).</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/try.alt.color.sh">try.alt.color.sh</a> - demonstrate alt code in colour mode</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/try.bw.sh">try.bw.sh</a> - demonstrate code in black and white mode</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/try.color.sh">try.color.sh</a> - demonstrate alt code in colour mode</li>
-<li><a href="tvr.bw">tvr.bw</a> - black and white</li>
-<li><a href="tvr.color">tvr.color</a> - RGB values</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.bw">tvr.bw</a> - black and white</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.color">tvr.color</a> - RGB values</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>