[refactor][xs]: rename docCount to recordCount.

test/backend.dataproxy.test.js

@@ -94,14 +94,14 @@ test('DataProxy Backend', function() {
   expect(6);
   dataset.fetch().then(function() {
     deepEqual(['__id__', 'date', 'price'], _.pluck(dataset.fields.toJSON(), 'id'));
-    equal(10, dataset.docCount)
+    equal(10, dataset.recordCount)
     equal(dataset.currentRecords.models[0].get('date'), "1950-01");
     // needed only if not stubbing
     // start();
   });
 
   dataset.query({q: '1950-01'}).then(function() {
-    equal(dataset.docCount, 1);
+    equal(dataset.recordCount, 1);
     equal(dataset.currentRecords.models[0].get('price'), '34.73');
   });
   $.ajax.restore();

test/backend.elasticsearch.test.js

@@ -280,7 +280,7 @@ test("query", function() {
   dataset.fetch().done(function(dataset) {
     deepEqual(['_created', '_last_modified', 'end', 'owner', 'start', 'title'], _.pluck(dataset.fields.toJSON(), 'id'));
     dataset.query().then(function(recList) {
-      equal(3, dataset.docCount);
+      equal(3, dataset.recordCount);
       equal(3, recList.length);
       equal('Note 1', recList.models[0].get('title'));
       start();

test/backend.memory.test.js

@@ -178,7 +178,7 @@ test('basics', function () {
   dataset.fetch().then(function(datasetAgain) {
     equal(dataset.get('name'), memoryData.metadata.name);
     deepEqual(_.pluck(dataset.fields.toJSON(), 'id'), _.pluck(data.fields, 'id'));
-    equal(dataset.docCount, 6);
+    equal(dataset.recordCount, 6);
   });
 });