1. Update maven to 1.0-rc2
2. Set USE_BZIP2=yes
3. Convert to bsd.java.mk 2.0 macros
4. Use alternative path in pkg-message
Thanks for the update Kang! I just made some minor style changes.
Dear commiter, please apply the attached patch after the PR patch,
PS: Kang, next time don't forget to CC the maintainer too ;)