Ross Lagerwall <rosslagerwall@gmail.com> [Fri, 02 Mar 2012 21:43:55 +0200] rev 16217
readme: mention how to run in-place
The README describes how to install Mercurial but it does not describe how to
run it in place (for developers). This adds a short paragraph to the README
describing how to do run Mercurial inplace.