eliminated old makedist_bundle and remote_dmg: build_release does everything in Scala;
more robust components and classpath via Other_Isabelle;
updated macos_app to include full dmg template;
misc tuning and clarification;
Isabelle/JVM application bundle for Mac OS X
============================================
* http://java.net/projects/appbundler
see appbundler-1.0.jar
see com/oracle/appbundler/JavaAppLauncher