Add indicator and digest route refactors
Add path prefixing to organize endpoints
Change django and angular to reflect new scala endpoint paths
Update route formats, remove extra route
Get geometries back on the map

This changes the following:
  * Fixes the geometry column name
  * Reprojects the UTM lines to lat/lng
  * Converts geojson to GEOS object before saving to db
Renamed indicator/file; added tests and new test params
Merge pull request #357 from moradology/feature/ratioLinesRoads

Renamed indicator/file; added tests and new test params
Set default sample period after service dates found
Merge pull request #358 from WorldBank-Transport/feature/geoms-on-map

Get geometries back on the map
Merge pull request #359 from flibbertigibbet/feature/fix-default-sample-period-setting

Set default sample period after service dates found
Align map geom colors with legend
Merge pull request #361 from WorldBank-Transport/feature/fix-map-geom-colors

Align map geom colors with legend
Merge pull request #355 from moradology/feature/route-refactor

Feature/route refactor
Clean up IndicatorJobs when a city is deleted via IndicatorViewSet
Move IndicatorJob delete to /api/indicator-cities

Revert IndicatorViewSet to only deleting Indicators
Merge pull request #344 from WorldBank-Transport/feature/fix-delete-city

Fix delete city
Use Accepted status for all async jobs
Remove obsolete update overrides
Add scala -> django interaction for updating feed
Readd OSM update override