Attempt to update icon based on survey date, small translation update

assets/layers/defibrillator/defibrillator.json

@@ -11,6 +11,10 @@
   "source": {
     "osmTags": "emergency=defibrillator"
   },
+  "calculatedTags": [
+    "_days_since_last_survey=Math.floor(new Date() - new Date(feat.properties['survey:date'])/(1000*60*60*24))",
+    "_recently_surveyed=Number(feat.properties._days_since_last_survey) <= 90"
+  ],
   "minzoom": 12,
   "title": {
     "render": {
@@ -26,11 +30,7 @@
     "render": "./assets/themes/aed/aed.svg",
     "mappings": [
       {
-        "if": {
-          "and": [
-            "survey:date~*"
-          ]
-        },
+        "if": "_recently_surveyed=true",
         "then": {
           "en": "./assets/layers/defibrillator/aed_checked.svg"
         }

assets/translations.json

@@ -153,7 +153,8 @@
       "de": "Erledigt!"
     },
     "retrying": {
-      "en": "Loading data failed. Trying again... ({count})",
+      "en": "Loading data failed. Trying again in {count} seconds...",
+      "nl": "Data inladed mislukt - wordt opnieuw geladen over {count} seconden",
       "ca": "La càrrega de dades ha fallat. Tornant-ho a intentar... ({count})",
       "es": "La carga de datos ha fallado. Volviéndolo a probar... ({count})",
       "gl": "A carga dos datos fallou. Tentándoo de novo... ({count})",