* Trivial tweaks to DJVM code.
- Use ASM Type.getInternalName()
- Use @JvmDefault annotation
- Declare test base class as abstract
- Ensure test Log4J configuration has precedence
- Replace assert() with require()
- Replace simple lambdas with function references
* Publish corda-djvm artifact.
* Migrate Utilities class into the CLI tool.
* Configure unit tests for console logging.