Update changelog

Author: kpeeters

web2/cadabra2/source/changelog.html

@@ -15,6 +15,18 @@ <h1>Change log</h1>
   repository</a>. Odd patch levels correspond to versions in
   development, even numbered ones are released in packaged form.
 </p>
+<a name="master"></a>
+<h3>github master</h3>
+<ul>
+  <li>Make the wedge product distributable.</li>
+  <li>Fix printing of wedge products with sums in factors.</li>
+  <li>Fixed printing of index brackets.</li>
+  <li>Add RPATH to binaries to avoid having to run <tt>ldconfig</tt>
+  after installation.</li>
+  <li>Fix for the theming to avoid invisible text with dark
+	 themes.</li>
+</ul>
+
 <a name="2.1.5"></a>
 <h3>2.1.5 (released 6-Aug-2017)</h3>
 <ul>

web2/cadabra2/source/index.html

@@ -29,9 +29,10 @@ <h1>News</h1>
 	 via Debian-based distros, but all further development will take
 	 place on the 2.x versions.</dd>
   <dt>6 November 2016</dt>
-  <dd>We are now generating packages for all major Linux
-	 distributions automatically so they track the github master
-	 branch. Get them from the <a href="download.html">download page</a>.</dd>
+  <dd>We are now generating packages for all major Linux distributions
+	 automatically so they track the latest release available on
+	 github. Get them from the <a href="download.html">download
+	 page</a>.</dd>
 </dl>
 
 <h1>What is Cadabra?</h1>