UI/API changes

NEW: Anchor Mesh Status use case
NEW: Anchor details: hosts can upload or update their logo
NEW: Statistics map: country and ASN searches are kept in the URL for sharing
CHANGE: Login: SSO auto login/logout
CHANGE: Probes/Measurements lists: retry message on failure, loading improvements
CHANGE: LatencyMON: auto load small range historical data
CHANGE: Khipu: labels draw when zooming, not all at once
CHANGE: Khipu: digit only searches only match probe IDs/ASNs
CHANGE: My Anchors: change request history shows the 7 most recent requests
FIX: My Anchors: sorting by ID
FIX: Khipu: timeout hops after the last reply no longer crowd the target
TWEAK: Use cases listed alphabetically
TWEAK: Removed "new" badge from Path Divergence use case