Allow selecting a relation

data/presets/presets.json

@@ -2637,7 +2637,8 @@
             "point",
             "vertex",
             "line",
-            "area"
+            "area",
+            "relation"
         ],
         "fields": []
     },

data/presets/presets/other.json

@@ -1,6 +1,6 @@
 {
     "name": "Other",
     "tags": {},
-    "geometry": ["point", "vertex", "line", "area"],
+    "geometry": ["point", "vertex", "line", "area", "relation"],
     "fields": []
 }

data/presets/schema/preset.json

@@ -15,7 +15,7 @@
             "uniqueItems": true,
             "items": {
                 "type": "string",
-                "enum": ["point", "vertex", "line", "area"]
+                "enum": ["point", "vertex", "line", "area", "relation"]
             },
             "required": true
         },

js/id/modes/select.js

@@ -4,13 +4,6 @@ iD.modes.Select = function(context, selection) {
         button: 'browse'
     };
 
-    // Selecting non-multipolygon relations is not supported
-    selection = selection.filter(function(d) {
-        return context.entity(d).geometry(context.graph()) !== 'relation';
-    });
-
-    if (!selection.length) return iD.modes.Browse(context);
-
     var keybinding = d3.keybinding('select'),
         timeout = null,
         behaviors = [