Various cleanups

- missing copytight headers
- unused imports
- obsolete comments
- rename some strnage method names

headless-services/commons/commons-boot-app-cli/src/main/java/org/springframework/ide/vscode/commons/boot/app/cli/LocalSpringBootApp.java

@@ -64,9 +64,7 @@ public class LocalSpringBootApp extends AbstractSpringBootApp {
 	public static Collection<SpringBootApp> getAllRunningJavaApps() throws Exception {
 		return cache.getAllRunningJavaApps();
 	}
-	/**
-	 * @return Map that contains the boot apps, mapping the process ID -> boot app accessor object
-	 */
+
 	public static Collection<SpringBootApp> getAllRunningSpringApps() throws Exception {
 		return getAllRunningJavaApps().stream().filter(SpringBootApp::isSpringBootApp).collect(CollectorUtil.toImmutableList());
 	}

headless-services/commons/commons-boot-app-cli/src/main/java/org/springframework/ide/vscode/commons/boot/app/cli/SpringBootApp.java

@@ -1,3 +1,13 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Pivotal, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Pivotal, Inc. - initial API and implementation
+ *******************************************************************************/
 package org.springframework.ide.vscode.commons.boot.app.cli;
 
 import java.io.IOException;
@@ -30,7 +40,7 @@ public interface SpringBootApp {
 	Properties getSystemProperties() throws Exception;
 	JMXConnector getJmxConnector() throws MalformedURLException, IOException;
 
-	default String getSystemProperties(String string) throws Exception {
+	default String getSystemProperty(String string) throws Exception {
 		Object r = getSystemProperties().get(string);
 		if (r instanceof String) {
 			return (String) r;