UI/API changes

CHANGES: Khipu (beta): Smart popup placement, improved country view, improved path filter, improved DNS, many fixes
CHANGE: Measurements listing: link to Khipu directly from actions column
CHANGE: Legal accordion new sections
FIX: Coverage map: enable disconnected after map search
FIX: Measurement details page: NSID decoding order
FIX: Go button in time travel not working unless blur

Docs changes