Update launch4j to version 3.9

Author: cmaglie

build/build.xml

@@ -926,17 +926,17 @@
 
   <target name="download-launch4j-windows">
     <antcall target="unzip-with-ant-task">
-      <param name="archive_file" value="windows/launch4j-3.8-win32.zip"/>
-      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.8/launch4j-3.8-win32.zip"/>
+      <param name="archive_file" value="windows/launch4j-3.9-win32.zip"/>
+      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.9/launch4j-3.9-win32.zip"/>
       <param name="final_folder" value="windows/launcher/launch4j"/>
       <param name="dest_folder" value="windows/launcher/"/>
     </antcall>
   </target>
 
   <target name="download-launch4j-linux">
     <antcall target="untar">
-      <param name="archive_file" value="windows/launch4j-3.8-linux.tgz"/>
-      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.8/launch4j-3.8-linux.tgz"/>
+      <param name="archive_file" value="windows/launch4j-3.9-linux.tgz"/>
+      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.9/launch4j-3.9-linux.tgz"/>
       <param name="final_folder" value="windows/launcher/launch4j"/>
       <param name="dest_folder" value="windows/launcher/"/>
     </antcall>

build/windows/launch4j-3.8-linux.tgz.sha

@@ -0,0 +1 @@
+9d4c377af0149389da9ad3c3f1394fc5a655f540

build/windows/launch4j-3.8-win32.zip.sha

@@ -0,0 +1 @@
+da6645d030137672647f576c8358427bc663282e