Update info on papers

Author: kpeeters

web2/cadabra2/source/papers.html

@@ -30,17 +30,6 @@ <h1>Papers about Cadabra</h1>
 	 <div class="pubinfo"><a href="https://doi.org/10.21105/joss.01118"><img src="https://joss.theoj.org/papers/10.21105/joss.01118/status.svg"/></a>
 	 </div>
   </blockquote>
-<p>
-  Please cite the two papers above when you use Cadabra in your own
-  work; those citations are the only way to convince the bean counters
-  that this software is useful.
-</p>
-<p>A general introduction to Cadabra (the old version, that is) can be found in</p>
-<blockquote class="reference">
-  <div class="author">Kasper Peeters</div>
-  <div class="title"><a href="car.pdf">Symbolic field theory with Cadabra</a></div>
-  <div class="pubinfo"><a href="http://www.fachgruppe-computeralgebra.de/CA-Rundbrief/car41.pdf">Computeralgebra Rundbrief 41 (2007) 16.</a></div>
-</blockquote>
 <p>A technical explanation of the  motivation for writing this software,
   as well as a sketch of the internal structure, can be found in
   the paper</p>
@@ -53,8 +42,20 @@ <h1>Papers about Cadabra</h1>
 	 <a href="http://dx.doi.org/10.1016/j.cpc.2007.01.003">Comp.&nbsp;Phys.&nbsp;Commun.&nbsp;176 (2007) 550-558.</a></div>
 </blockquote>
 <p>
-  A paper describing the new features of version 2 is in preparation
-  and will appear sometime in 2019.
+  Please cite the three papers above when you use Cadabra in your own
+  work; those citations are the only way to convince the bean counters
+  that this software is useful.
+</p>
+<p>Finally, a general introduction to the old version of Cadabra for a
+  wider public can be found in</p>
+<blockquote class="reference">
+  <div class="author">Kasper Peeters</div>
+  <div class="title"><a href="car.pdf">Symbolic field theory with Cadabra</a></div>
+  <div class="pubinfo"><a href="http://www.fachgruppe-computeralgebra.de/CA-Rundbrief/car41.pdf">Computeralgebra Rundbrief 41 (2007) 16.</a></div>
+</blockquote>
+<p>
+  A proper introduction to the new features of Cadabra 2 may appear at
+  some point in the future.  
 </p>