Rename ExportAdapter to DatabaseController.

spec/DatabaseController.spec.js

@@ -0,0 +1,15 @@
+var DatabaseController = require('../src/Controllers/DatabaseController');
+
+describe('DatabaseController', () => {
+  it('can be constructed', (done) => {
+    var database = new DatabaseController('mongodb://localhost:27017/test',
+	{
+		collectionPrefix: 'test_'
+	});
+    database.connect().then(done, (error) => {
+      console.log('error', error.stack);
+      fail();
+    });
+  });
+
+});