Get rid of some .html extensions.

Author: fdb

_layouts/base.html

@@ -58,7 +58,7 @@
       <h2>Software</h2>
       <ul>
         <li><a href="/node/">NodeBox 3</a></li>
-        <li><a href="/code/index.php/Home.html">NodeBox 1</a></li>
+        <li><a href="/code/index.php/Home">NodeBox 1</a></li>
         <li><a href="/opengl/">NodeBox OpenGL</a></li>
       </ul>
     </div>
@@ -72,7 +72,7 @@ <h2>Exhibition</h2>
       <h2>Documentation</h2>
       <ul>
         <li><a href="/node/documentation/">Documentation</a></li>
-        <li><a href="/node/documentation/tutorial/getting-started.html">Tutorial</a></li>
+        <li><a href="/node/documentation/tutorial/getting-started">Tutorial</a></li>
         <li><a href="/node/reference/">Reference</a></li>
       </ul>
     </div>

_posts/2013-05-06-montreal.md

@@ -16,7 +16,7 @@ images:
   - gallery/montreal-2013-class-2.jpg
   - gallery/montreal-2013-class-3.jpg
 ---
-[Frederik De Bleser (EMRG)](http://www.emrg.be/people/frederik-de-bleser.html) and [Donato Ricci (Density Design)](http://www.densitydesign.org/person/donato-ricci/) were invited to do a workshop during the Design International 2013 week at the [UQAM](http://www.uqam.ca/). The week ran from saturday, April 27th until May 4th 2013.
+[Frederik De Bleser (EMRG)](http://www.emrg.be/people/frederik-de-bleser) and [Donato Ricci (Density Design)](http://www.densitydesign.org/person/donato-ricci/) were invited to do a workshop during the Design International 2013 week at the [UQAM](http://www.uqam.ca/). The week ran from saturday, April 27th until May 4th 2013.
 
 We were very impressed with the work ethic of the students and happy with the results.
 You can see the whole process at our [workshop blog](http://workshops.nodebox.net/2013-montreal/), or the [blog of the Design International week](http://designinternational2013.blogspot.ca/).