Put a (hopefully) last TODO to upload the software and put a URL into the paper

intro.tex

@@ -244,8 +244,8 @@ curves.
   \subheading{Availability of software.}
   We place all software related to this paper into the public domain
   (to the maximum extent possible, using the Creative Commons CC0 waiver).
-  The software is included in the auxiliary material submitted together with this
-  paper and will be made available through a public GitHub repository.
+  \todo{Put a URL to the software}
+  and will be made available through a public GitHub repository.
 
   \subheading{Organization of this paper.}
   In Section~\ref{sec:prelim} we give a brief review of the mathematical background