Add vim modelines to all files.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

docs/specimens/LICENSE

@@ -6,3 +6,5 @@ windows-live-mail-desktop-beta.html - donated by laacz, public domain
 img.png - LGPL, from <http://commons.wikimedia.org/wiki/Image:Pastille_chrome.png>
 
 All other files are by me, and are licensed under LGPL.
+
+    vim: et sw=4 sts=4

docs/specimens/html-align-to-css.html

@@ -162,4 +162,6 @@ div.segment {width:250px; float:left; margin-top:1em;}
 </div>
 
 </body>
-</html>
+</html>
+
+<!-- vim: et sw=4 sts=4 -->

docs/specimens/jochem-blok-word.html

@@ -127,3 +127,5 @@ style='color:black'>www.example.com/disclaimer</span></a><o:p></o:p></span></p>
 </body>
 
 </html>
+
+<!-- vim: et sw=4 sts=4 -->

docs/specimens/windows-live-mail-desktop-beta.html

@@ -71,4 +71,6 @@ style="BORDER-TOP: #dddddd 1px solid; FONT-SIZE: 10pt; MARGIN-BOTTOM: 10px; WIDT
 title="Join Windows Live to share photos using Windows Live Photo E-mail.">Online
 pictures are available for 30 days. <A style="COLOR: #0088e4"
 href="http://g.msn.com/5meen_us/175">Get Windows Live Mail desktop to create
-your own photo e-mails. </A></SPAN></NOBR></DIV></BODY></HTML>
+your own photo e-mails. </A></SPAN></NOBR></DIV></BODY></HTML>
+
+<!-- vim: et sw=4 sts=4 -->