Fix more download URLs

src/packaging/deb/lintian/elasticsearch

@@ -4,5 +4,5 @@ elasticsearch binary: arch-independent-package-contains-binary-or-object
 elasticsearch binary: unstripped-binary-or-object
 # Ignore arch dependent warnings, we chose the right libs on start
 elasticsearch binary: arch-dependent-file-in-usr-share
-# Please check our changelog at http://www.elasticsearch.org/downloads/
+# Please check our changelog at http://www.elastic.co/downloads/elasticsearch
 elasticsearch binary: changelog-file-missing-in-native-package

src/test/java/org/elasticsearch/plugins/PluginManagerTests.java

@@ -422,7 +422,7 @@ public class PluginManagerTests extends ElasticsearchIntegrationTest {
     @Test
     @Network
     public void testInstallPluginWithElasticsearchDownloadService() throws IOException {
-        assumeTrue("download.elasticsearch.org is accessible", isDownloadServiceWorking("download.elasticsearch.org", 80, "/elasticsearch/ci-test.txt"));
+        assumeTrue("download.elastic.co is accessible", isDownloadServiceWorking("download.elastic.co", 80, "/elasticsearch/ci-test.txt"));
         singlePluginInstallAndRemove("elasticsearch/elasticsearch-transport-thrift/2.4.0", null);
     }