added changelog entry, added Takari to output

maven-wrapper/CHANGELOG.md

@@ -3,6 +3,13 @@
 The [git commit history](https://github.com/takari/maven-wrapper/commits/master) is the detailed source of all changes.
 The following provides most information at an easier glance.
 
+## Version 0.2.2 or higher - Upcoming
+
+- Print out Maven Wrapper version with each invocation
+  - see https://github.com/takari/maven-wrapper/pull/48
+  - contributed by Tadaya Tsuyukubo - https://github.com/ttddyy
+
+
 ## Version 0.2.1 - 2017-04-21
 
 - Compile wrapper with Java 1.5 language level to allow usage with Java1.5 +

maven-wrapper/src/main/java/org/apache/maven/wrapper/MavenWrapperMain.java

@@ -42,7 +42,7 @@ public class MavenWrapperMain {
     File rootDir = rootDir(wrapperJar);
 
     String wrapperVersion = wrapperVersion();
-    System.out.println("Maven Wrapper: " + wrapperVersion);
+    System.out.println("Takari Maven Wrapper: " + wrapperVersion);
 
     Properties systemProperties = System.getProperties();
     systemProperties.putAll(parseSystemPropertiesFromArgs(args));