Mapping changes and documentation fix

API documentation, when missing, was killing the whole application.
...and back to Leaflet

GeoJSON on OpenLayers is unsatisfying and has dateline issues.
Merge with well content update
Fix for Leaflet issue

Leaflet doesn't like to live in a Bootstrap tab, so trip map moved out
to separate page.  Page also embeds JSON version of track and positions
to reduce network calls (at the cost of page size).