UI/API changes

• CHANGE: Anchors: Map rework (new basemap, improved and url sharable searches)
• CHANGE: Ambassador probe management: make registration and editing actions clearer
• CHANGE: Probe detail overview: auto expand error messages
• FIX: Ambassador probe management: use corrrect event name field
• TWEAK: map marker popup traceroute display
• TWEAK: basemap searchbox alignment