Fix warnings arising from geocoder translations, and use count magic

for the distance translation.

config/locales/en.yml

@@ -348,8 +348,9 @@ en:
         suffix_parent: "{{suffix}} ({{parentdistance}} {{parentdirection}} of {{parentname}})"
         suffix_suburb: "{{suffix}}, {{parentname}}"
       distance:
-        less_than_1km: "less than 1km"
-        about_distance_km: "about {{distance}}km"
+        zero: "less than 1km"
+        one: "about 1km"
+        other: "about {{count}}km"
       direction:
         south_west: "south-west"
         south: "south"

config/locales/sl.yml

@@ -344,8 +344,9 @@ sl:
         suffix_parent: "{{suffix}} ({{parentdistance}} {{parentdirection}} od {{parentname}})"
         suffix_suburb: "{{suffix}}, {{parentname}}"
       distance:
-        less_than_1km: "manj kot 1 km"
-        about_distance_km: "približno {{distance}} km"
+        zero: "manj kot 1 km"
+        one: "približno 1 km"
+        other: "približno {{distance}} km"
       direction:
         south_west: "jugozahodno"
         south: "južno"