Backend: get origin visit stats from storage
Service: add origin visit stats from backend
API: open /api/1/stat/visits/<int:origin>/
Browse: add SWH visit timeline to origin browsing
This does not work in its current state, we need to work out how to make the plugin available.
apt-get install libjs-jquery-flot installs everything this needs EXCEPT the tooltip plugin for flot, which is necessary. Do we just accept that symlinks in static/lib works for everything but tooltip, and bundle tooltip in static/lib separately?