a few more ImmutableSettings -> Settings

src/main/java/org/elasticsearch/node/NodeBuilder.java

@@ -45,7 +45,7 @@ import org.elasticsearch.common.settings.Settings;
  * <p/>
  * <pre>
  * Node node = NodeBuilder.nodeBuilder()
- *                      .settings(ImmutableSettings.settingsBuilder().put("node.data", false)
+ *                      .settings(Settings.settingsBuilder().put("node.data", false)
  *                      .node();
  * </pre>
  * <p/>

src/test/java/org/elasticsearch/common/settings/SettingsTests.java

@@ -36,7 +36,7 @@ import static org.hamcrest.Matchers.*;
 
 /**
  */
-public class ImmutableSettingsTests extends ElasticsearchTestCase {
+public class SettingsTests extends ElasticsearchTestCase {
 
     @Test
     public void testCamelCaseSupport() {

src/test/java/org/elasticsearch/common/settings/bar/BarTestClass.java

@@ -19,6 +19,6 @@
 
 package org.elasticsearch.common.settings.bar;
 
-//used in ImmutableSettingsTest
+//used in SettingsTest
 public class BarTestClass {
 }

src/test/java/org/elasticsearch/common/settings/foo/FooTestClass.java

@@ -19,6 +19,6 @@
 
 package org.elasticsearch.common.settings.foo;
 
-// used in ImmutableSettingsTest
+// used in SettingsTest
 public class FooTestClass {
 }