Update to implementation and presentation lecture 23

Lectures/L23_ImplementPresent/ImplementPresent2.tex

@@ -63,6 +63,8 @@
 \item Wed, Nov 25, 10:00 am to Wed, Dec 9, 11:59 pm
 \item \url{https://evals.mcmaster.ca}
 \ei
+\item Make your software easy for your colleagues to run and test.  A README
+  file is a good place to give basic instructions.
 \ei
 
 \end{frame}
@@ -89,8 +91,6 @@ Final Documentation & Dec 9\\
 \item Thurs, Dec 3: Shayan, Naveen, Sid, Gaby, Seyed
 \item Mon, Dec 7: Ting-Yu, Xuanming, Mohamed, Andrea, Tiago
 \ei
-\item 4 presentations each
-\item If you will miss a presentation, please trade with someone else
 \ei
 
 \end{frame}