edit site.
fix typo on site document.
delete unused dependency
checkd and merged.
thanks jfut.
edit release note.
replace printStackTrace() to logger
use jaxb2-basics plugins (copyable plugin, etc)
backto java.lang.Object.
fix copy() method.
re-generate classes.
remove toString option.
typo.
delete cache function using javax.cache
add testcase.
change comment
add logging config for testcase
edit site.
removing some methods.
coding CopyUtil.
removing old files.
coding CopyUtil