[runit] making sensu-runsvdir.sh defaults conform to new defaults-driven behavior
[runit] use $PLUGINS_DIR and $HANDLERS_DIR when setting path in sensu-sv-run.sh.erb
[runit] removing -b flag from options in sensu-sv-run.sh.erb
[runit] moving all the runit directories under /opt/sensu
[runit] modify pkg scripts to ensure correct ownership of /opt/sensu/sv