vcs: Introduce commit with -u and -m parameters
commit is now introduced with -u and -m parameters. This fixes a
couple of problems --
1) hg sometimes doesn't allow commits without username
2) vi(m) is the default editor -- most people can't use it (yet).
\documentclass{article}
\begin{document}
This document contains a figure.
The figure \ref{fig:lion} is a drawing by Duane Bibby.
\begin{figure}
\centering
\label{fig:lion}
\caption[CTAN Lion]{CTAN lion drawing by Duane Bibby; thanks to www.ctan.org}
\includegraphics[scale=0.8, angle=30]{lion_orig.png}
\end{figure}
\end{document}