* Show trait type in `app:ls`
Use trait type instead of its name in application list.
Fix app:status issue and refactor code
Fix#90
* Update pkg/cmd/status.go
Co-authored-by: Sun Jianbo <wonderflow.sun@gmail.com>
* followed comments to move some basic traits related functions to system.go
Co-authored-by: Sun Jianbo <wonderflow.sun@gmail.com>