* Fixes #605 Easily change the JRuby version with "ruboto <gen|update> jruby <version>"
* Fixes #606 Allow setting the JRuby version when creating or updating a project with "--with-jruby <version>"
* Fixes #607 Remove the deprecated "ruboto update ruboto" command
* Fixes #608 Allow starting the emulator without using a snapshot
* Issue #598 Ruboto-Core Package file is invalid