Add Indubitably font by Nick Curtis in credits

The font is a freeware, downloaded from FontSquirrel:
http://www.fontsquirrel.com/fonts/Indubitably

index.html

@@ -11,7 +11,7 @@
     <meta name="keywords" content="password online tools security opensource"/>
     <link rel="schema.DCTERMS" href="http://purl.org/dc/terms/" />
     <meta name="DC.creator" content="Eric Bréchemier" />
-    <meta name="DC.date" content="2012-07-21" />
+    <meta name="DC.date" content="2012-08-03" />
     <meta name="DC.rights" content="CC-BY Eric Bréchemier" />
     <meta name="DC.rights" scheme="DCTERMS.URI" content=
       "http://creativecommons.org/licenses/by-nc-sa/3.0/" />
@@ -181,6 +181,11 @@ <h3>Credits</h3>
         Design and Development
         CC-BY <a href="http://eric.brechemier.name">Eric Bréchemier</a>
       </li>
+      <li>
+        <a href="http://www.fontsquirrel.com/fonts/Indubitably"
+          class="indubitably">Indubitably</a> font
+        by <a href="http://www.nicksfonts.com">Nick Curtis</a>
+      </li>
       <li>
         MD5, SHA-1, SHA-256 and SHA-512 implementations from
         <a href="http://pajhome.org.uk/crypt/md5/scripts.html"