manual install of supervision-scripts

hg clone https://bitbucket.org/avery_payne/supervision-scripts && \
 cp -Rav ./supervision-scripts/sv /etc/sv && \
 sudo ( cd /etc/sv/.bin ; ./use-runit ) && \
 sudo ( ln -s /etc/service /service ) && \
 sudo ( mkdir -p /etc/sv/mingetty-tty9 ; ln -s /etc/sv/.run/run-getty /etc/sv/mingetty-tty9/run ) && \
 sudo ( cd /service ; ln -s /etc/sv/mingetty-tty9 )