NA-0: update
NA-0: clean build
NA-0: april23 update-1. add luDAO and LuMapper class/interface
NA-0: april23 update-2 create constants pkg and LookUp class
april22: debug update-2
april22: debug update-2
april22: code cleanup
NA-0: debug and code cleanup
NA-0: created two resource classes(create and update) for json input
NA-0: april25 update-1
NA-0: include gitignore file. Target folder and content should not be committed
Merge pull request #1 from fredxie/april22

Update master branch with latest code (checkstyle formatted code)