Fixed some broken links.

unsupported/template.html

@@ -39,7 +39,7 @@
     <h1>Want to add or correct information?</h1>
     <p>
       If anything is wrong or missing on this page please <a href="/bugs.html">file a bug report</a>
-      or use the <a href="http://www.meier-geinitz.de:80/tinc?key=rDoQ7lrj&#38;formname=adddev">the
+      or use the <a href="http://www.meier-geinitz.de:80/tinc?key=rDoQ7lrj&#38;formname=adddev" target="_top">the
       form for adding an unsupported device</a>.
     </p>
     <p>
@@ -63,12 +63,12 @@
     <h1>Links</h1>
     <ul>
       <li>
-	General information on how to <a href="contrib.html">contribute to SANE</a>, e.g. by writing
-	backends</a>
+	General information on how to <a href="/contrib.html">contribute to SANE</a>, e.g. by writing
+	backends
       </li>
       <li>
 	<a
-	href="http://sane.informatik.uni-freiburg.de/cgi-bin/driver.pl">Scanner
+	href="http://sane.informatik.uni-freiburg.de/cgi-bin/driver.pl" target="_top">Scanner
 	search engine</a>
       </li>
       <li>