add projects api
fix get_access_token issue
add stream api for job output
reflactor
add job file api
update projects api

- add api to support add/remove user to/from project
- fix error in getting file of a job
- update readme
support permission
minor changes of readme
add admin api to cancel job in a device

- Add api to cancel job in a device
- Update schedular policy
add job api
update readme
Merge branch 'feature/project' into develop