[META] TUVE backend structure and prototype (GH2)
Merge pull request #19 from htkm/iss2/tuve-main-and-example

[META] TUVE backend structure and prototype (GH2)
fix an issue where P_ROOT and BACKEND have same path name.
Merge pull request #20 from htkm/iss/app_path-partition

fix an issue where P_ROOT and BACKEND have same path name.