message: Update changelog for 8.0.0 release
diff: Any changes, including backwards incompatible changes will be listed here
  -## 8.0.0 (19/2/2018)
  +## 8.0.0 (6/3/2018)
  +- *Breaking Change* Terminated Postcode schema has been updated to include geolocation attributes: `longitude`, `latitude`, `northings`, `eastings` and `location`
  +- Extended `/terminated_postcodes` endpoint to include `longitude` and `latitude`
  +- Updated parishes GSS Codes
  +- Tidy up of ONSPD and Open Names import scripts. Now named `postcodesio-onspd` and `postcodesio-oson` respectively. Dropped unmaintained update script
  +- Updated ONSPD dataset to Feb 2018
  +- Updated OS Names dataset to Jan 2018
  ## 7.0.1 (26/1/2018)
  @@ -14,7 +20,7 @@ Any changes, including backwards incompatible changes will be listed here
  - Added Dockerfile & Dockerhub Repository (thanks to @jamescun and @billinghamj)
  - Fix: Added missing filterable attributes for `?filter=`
  - Updated dependencies
  -- Updated NUTS, Wards, Parishses GSS codes
  +- Updated NUTS, wards, parishes GSS codes
  - Added optional rate limiting on bulk lookup endpoints
  - Updated ONSPD dataset to Nov 2017
  - Updated OS Names dataset to Oct 2017
  