[gnome-maps] (13 commits) ...Remove GeocodeService

[Marcus Lundblad <mlundblad src gnome org>]

Summary of changes:

  60203a3... Add module with address util functions (*)
  5e359b3... http: Escape & when encoding URI parameters (*)
  9484995... utils: Add function to get country of coordinates (*)
  c6f80b2... Add module with common Photon geocode parser (*)
  a347c23... Add Photon geocode module (*)
  4b7d2af... Add GraphHopper geocode module (*)
  3c525d7... Add Geocoder factory (*)
  bbcf9a7... placeEntry: Use geocoder factory (*)
  883a2b4... contextMenu: Use geocoder factory for "What's here" (*)
  45a06d4... application: Remove instanciation of GeocodeService (*)
  0f4e6ca... service: Add GrahHopper geocode fallback (*)
  57e12a6... mainWindow: Show geocoder attribution in About (*)
  041ef63... Remove GeocodeService (*)

(*) This commit already existed in another branch; no separate mail sent