Updated default value for overwrite to true

Author: jugu

gp-ant-task/example/build.xml

@@ -50,7 +50,7 @@
 		<property name="gp.bundleLayout" value="LANGUAGE_DIR"/>
 		<property name="gp.includepattern" value="**/*.json"/>
 		<property name="gp.excludepattern" value="**/*_*.json"/>
-		<gp:download>
+		<gp:download overwrite="${gp.overwrite}">
 			<credentials url="${gp.url}" userId="${gp.userId}" password="${gp.password}" instanceId="${gp.instanceId}"/>
 			<targetLanguage lang="es"/>
 			<targetLanguage lang="pt-BR"/>

gp-ant-task/example/gp-ant-task.jar

@@ -64,7 +64,7 @@ public void setOutputDir(File outputDir) {
      * Whether this goal overwrites existing bundle file in output directory
      * or not. The default value is true.
      */
-    private boolean overwrite;
+    private boolean overwrite = true;
 
     public void setOverwrite(boolean overwrite) {
         this.overwrite = overwrite;