add API: add a new job to an existing task
add api to update job
add api to cancel job
add api to support job restart
add running_only param to tasks api, and remove password from returned result
Merge branch 'feature/job-api' into develop
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
fix user bug
update project api to only get tags list