Merge pull request #10 from eric-wu/master

Clean up dependencies to Spring
removed dw dao to develop a complete set of dao in the dw for the dw
update the version
fix conflict
Merge pull request #11 from kimyen/develop

Move the dw dao to the dw project to develop
move LogFileDao interface to dw package
add back FileStatusDao
Merge pull request #12 from kimyen/develop

move LogFileDao interface to dw package