add sql log,open it if necessary.
Merge pull request #309 from forumbyr/master

add sql log,open it if necessary.
Merge remote-tracking branch 'cnnic/dev' into new
Merge pull request #310 from warmdawn/dev

add logger and comment for dao impl
split sql init file to two files: init schema & base data , and test
data
Merge remote-tracking branch 'cnnic/dev'
Merge pull request #311 from forumbyr/master

split sql init file to two files: init schema & base data , and test data
update jdbc prop
Merge pull request #313 from forumbyr/master

update jdbc prop
support compile with specified jdk version
Merge pull request #314 from forumbyr/master

support compile with specified jdk version
Merge remote-tracking branch 'cnnic/dev' into new
Merge remote-tracking branch 'cnnic/dev' into new
change info to debug