Initial import

Change-Id: Ieabcbef6ebf7eef4fe72fe4fc5a6ecf85d75ae71
remove the old userInfo zone

Instead, use the old addUser zone to show user info directly.

Change-Id: I7e706e72c8c38271e5e03c7ff49d95c929b37526
add delete and modify user info

Change-Id: Id4fc8c4c0462b1fc421c08ea41b5014fa40cccc2